/* roulang page: index */
:root {
            --dq-primary: #0d1b2a;
            --dq-primary-light: #1b2d45;
            --dq-accent: #00b4a0;
            --dq-accent-hover: #009d8b;
            --dq-warm: #f77f00;
            --dq-warm-hover: #e06e00;
            --dq-bg: #f8f9fb;
            --dq-bg-alt: #f0f2f5;
            --dq-surface: #ffffff;
            --dq-text: #1a1a2e;
            --dq-text-secondary: #5a5d6e;
            --dq-text-muted: #8a8d99;
            --dq-border: #e2e5ea;
            --dq-border-light: #eef0f4;
            --dq-radius-sm: 8px;
            --dq-radius: 14px;
            --dq-radius-lg: 20px;
            --dq-radius-xl: 28px;
            --dq-shadow-sm: 0 1px 3px rgba(13, 27, 42, 0.06);
            --dq-shadow: 0 4px 16px rgba(13, 27, 42, 0.08);
            --dq-shadow-md: 0 8px 28px rgba(13, 27, 42, 0.1);
            --dq-shadow-lg: 0 16px 48px rgba(13, 27, 42, 0.12);
            --dq-shadow-xl: 0 24px 64px rgba(13, 27, 42, 0.16);
            --dq-transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --dq-font-heading: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
            --dq-font-body: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
            --dq-nav-height: 68px;
            --dq-container-max: 1200px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--dq-font-body);
            line-height: 1.7;
            color: var(--dq-text);
            background-color: var(--dq-bg);
            overflow-x: hidden;
            min-height: 100vh;
        }

        a {
            text-decoration: none;
            transition: var(--dq-transition);
            color: inherit;
        }
        a:hover {
            color: var(--dq-accent);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            cursor: pointer;
            font-family: inherit;
            transition: var(--dq-transition);
        }
        ul,
        ol {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .dq-container {
            max-width: var(--dq-container-max);
            margin: 0 auto;
            padding: 0 24px;
        }
        @media (max-width: 768px) {
            .dq-container {
                padding: 0 16px;
            }
        }

        /* ========== HEADER & NAV ========== */
        .dq-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--dq-border-light);
            box-shadow: var(--dq-shadow-sm);
            height: var(--dq-nav-height);
            display: flex;
            align-items: center;
            transition: var(--dq-transition);
        }
        .dq-header .dq-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }
        .dq-logo {
            font-family: var(--dq-font-heading);
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--dq-primary);
            display: flex;
            align-items: center;
            gap: 10px;
            white-space: nowrap;
            letter-spacing: -0.02em;
        }
        .dq-logo .logo-icon {
            width: 42px;
            height: 42px;
            border-radius: var(--dq-radius-sm);
            background: linear-gradient(135deg, var(--dq-accent) 0%, #008f7e 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.3rem;
            font-weight: 700;
            flex-shrink: 0;
        }
        .dq-nav-list {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }
        .dq-nav-list a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 15px;
            border-radius: 24px;
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--dq-text-secondary);
            white-space: nowrap;
            position: relative;
            transition: var(--dq-transition);
            letter-spacing: 0.01em;
        }
        .dq-nav-list a:hover {
            color: var(--dq-primary);
            background: rgba(0, 180, 160, 0.06);
        }
        .dq-nav-list a.active {
            color: var(--dq-accent);
            background: rgba(0, 180, 160, 0.1);
            font-weight: 600;
        }
        .dq-nav-chip {
            display: inline-block;
            font-size: 0.7rem;
            padding: 3px 9px;
            border-radius: 20px;
            font-weight: 600;
            letter-spacing: 0.03em;
            line-height: 1;
            pointer-events: none;
            white-space: nowrap;
        }
        .chip-live {
            background: #ff4757;
            color: #fff;
            animation: chipPulse 2s ease-in-out infinite;
        }
        .chip-warmup {
            background: #ffa502;
            color: #fff;
        }
        .chip-replay {
            background: #7c8ca0;
            color: #fff;
        }
        @keyframes chipPulse {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(255, 71, 87, 0.5);
            }
            50% {
                box-shadow: 0 0 0 10px rgba(255, 71, 87, 0);
            }
        }
        .dq-nav-cta {
            background: var(--dq-accent) !important;
            color: #fff !important;
            padding: 9px 20px !important;
            border-radius: 24px !important;
            font-weight: 600 !important;
            letter-spacing: 0.02em;
        }
        .dq-nav-cta:hover {
            background: var(--dq-accent-hover) !important;
            color: #fff !important;
            box-shadow: var(--dq-shadow-md);
            transform: translateY(-1px);
        }
        .dq-mobile-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--dq-primary);
            padding: 8px;
            border-radius: var(--dq-radius-sm);
        }
        @media (max-width: 1024px) {
            .dq-nav-list {
                gap: 2px;
            }
            .dq-nav-list a {
                padding: 7px 10px;
                font-size: 0.84rem;
            }
            .dq-nav-chip {
                font-size: 0.65rem;
                padding: 2px 7px;
            }
        }
        @media (max-width: 768px) {
            .dq-mobile-toggle {
                display: block;
            }
            .dq-nav-wrapper {
                position: fixed;
                top: var(--dq-nav-height);
                left: 0;
                right: 0;
                background: rgba(255, 255, 255, 0.98);
                backdrop-filter: blur(20px);
                border-bottom: 1px solid var(--dq-border);
                box-shadow: var(--dq-shadow-lg);
                padding: 16px 20px;
                flex-direction: column;
                gap: 6px;
                display: none;
                z-index: 1049;
                max-height: 70vh;
                overflow-y: auto;
            }
            .dq-nav-wrapper.open {
                display: flex;
            }
            .dq-nav-list {
                flex-direction: column;
                align-items: stretch;
                gap: 4px;
                width: 100%;
            }
            .dq-nav-list a {
                padding: 12px 16px;
                font-size: 0.95rem;
                border-radius: var(--dq-radius-sm);
                justify-content: space-between;
            }
            .dq-nav-cta {
                text-align: center;
                justify-content: center;
            }
        }

        /* ========== SECTION SPACING ========== */
        .dq-section {
            padding: 70px 0;
        }
        @media (max-width: 768px) {
            .dq-section {
                padding: 44px 0;
            }
        }
        .dq-section-sm {
            padding: 40px 0;
        }
        .dq-section-lg {
            padding: 90px 0;
        }
        .dq-section-alt {
            background: var(--dq-bg-alt);
        }
        .dq-section-dark {
            background: var(--dq-primary);
            color: #fff;
        }
        .dq-section-accent {
            background: linear-gradient(160deg, #0d1b2a 0%, #0f2840 50%, #0a1a30 100%);
            color: #fff;
        }

        /* ========== HERO - 创作者主页头图风格 ========== */
        .dq-hero {
            position: relative;
            min-height: 620px;
            display: flex;
            align-items: center;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            background-position: center 30%;
            overflow: hidden;
        }
        .dq-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(13, 27, 42, 0.72) 0%, rgba(13, 27, 42, 0.88) 100%);
            z-index: 1;
        }
        .dq-hero .dq-container {
            position: relative;
            z-index: 2;
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
            color: #fff;
        }
        .dq-hero-avatar-wrap {
            position: relative;
            margin-bottom: 20px;
        }
        .dq-hero-avatar {
            width: 110px;
            height: 110px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--dq-accent) 0%, #00c9b0 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2.8rem;
            font-weight: 700;
            color: #fff;
            box-shadow: 0 8px 36px rgba(0, 180, 160, 0.5);
            border: 4px solid rgba(255, 255, 255, 0.85);
            letter-spacing: -0.03em;
        }
        .dq-hero-badge-row {
            display: flex;
            gap: 28px;
            flex-wrap: wrap;
            justify-content: center;
            margin-bottom: 16px;
        }
        .dq-hero-badge-item {
            text-align: center;
            background: rgba(255, 255, 255, 0.12);
            backdrop-filter: blur(6px);
            border-radius: var(--dq-radius);
            padding: 14px 22px;
            border: 1px solid rgba(255, 255, 255, 0.2);
            min-width: 100px;
        }
        .dq-hero-badge-num {
            font-size: 1.8rem;
            font-weight: 700;
            line-height: 1;
            letter-spacing: -0.02em;
        }
        .dq-hero-badge-label {
            font-size: 0.78rem;
            opacity: 0.85;
            margin-top: 4px;
        }
        .dq-hero-title {
            font-family: var(--dq-font-heading);
            font-size: 2.8rem;
            font-weight: 700;
            letter-spacing: -0.03em;
            margin-bottom: 12px;
            line-height: 1.25;
        }
        .dq-hero-desc {
            font-size: 1.05rem;
            max-width: 620px;
            opacity: 0.9;
            margin-bottom: 24px;
            line-height: 1.7;
        }
        .dq-hero-ctas {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            justify-content: center;
        }
        .dq-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            border-radius: 28px;
            font-weight: 600;
            font-size: 0.95rem;
            letter-spacing: 0.02em;
            border: none;
            transition: var(--dq-transition);
            white-space: nowrap;
            cursor: pointer;
        }
        .dq-btn-primary {
            background: var(--dq-accent);
            color: #fff;
        }
        .dq-btn-primary:hover {
            background: var(--dq-accent-hover);
            box-shadow: var(--dq-shadow-lg);
            transform: translateY(-2px);
            color: #fff;
        }
        .dq-btn-outline {
            background: transparent;
            border: 2px solid rgba(255, 255, 255, 0.7);
            color: #fff;
        }
        .dq-btn-outline:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #fff;
            color: #fff;
            transform: translateY(-2px);
        }
        .dq-btn-warm {
            background: var(--dq-warm);
            color: #fff;
        }
        .dq-btn-warm:hover {
            background: var(--dq-warm-hover);
            box-shadow: var(--dq-shadow-lg);
            transform: translateY(-2px);
            color: #fff;
        }
        .dq-btn-lg {
            padding: 16px 34px;
            font-size: 1.05rem;
            border-radius: 30px;
        }
        .dq-btn-sm {
            padding: 8px 18px;
            font-size: 0.85rem;
            border-radius: 22px;
        }
        @media (max-width: 768px) {
            .dq-hero {
                min-height: 500px;
            }
            .dq-hero-title {
                font-size: 1.8rem;
            }
            .dq-hero-desc {
                font-size: 0.9rem;
                max-width: 100%;
            }
            .dq-hero-avatar {
                width: 80px;
                height: 80px;
                font-size: 2rem;
            }
            .dq-hero-badge-row {
                gap: 12px;
            }
            .dq-hero-badge-item {
                padding: 10px 14px;
                min-width: 70px;
            }
            .dq-hero-badge-num {
                font-size: 1.3rem;
            }
        }

        /* ========== SECTION HEADINGS ========== */
        .dq-section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            color: var(--dq-accent);
            margin-bottom: 8px;
            background: rgba(0, 180, 160, 0.08);
            padding: 5px 14px;
            border-radius: 20px;
        }
        .dq-section-title {
            font-family: var(--dq-font-heading);
            font-size: 2rem;
            font-weight: 700;
            letter-spacing: -0.02em;
            margin-bottom: 10px;
            line-height: 1.3;
            color: var(--dq-primary);
        }
        .dq-section-desc {
            font-size: 0.95rem;
            color: var(--dq-text-secondary);
            max-width: 600px;
            line-height: 1.65;
        }
        .dq-section-header {
            text-align: center;
            margin-bottom: 44px;
        }
        .dq-section-header-left {
            text-align: left;
            margin-bottom: 36px;
        }
        @media (max-width: 768px) {
            .dq-section-title {
                font-size: 1.5rem;
            }
            .dq-section-desc {
                font-size: 0.85rem;
            }
        }

        /* ========== CARDS ========== */
        .dq-card {
            background: var(--dq-surface);
            border-radius: var(--dq-radius);
            padding: 28px 24px;
            box-shadow: var(--dq-shadow);
            border: 1px solid var(--dq-border-light);
            transition: var(--dq-transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .dq-card:hover {
            box-shadow: var(--dq-shadow-md);
            transform: translateY(-4px);
            border-color: transparent;
        }
        .dq-card-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--dq-radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            margin-bottom: 16px;
            flex-shrink: 0;
        }
        .dq-card-icon-teal {
            background: rgba(0, 180, 160, 0.12);
            color: var(--dq-accent);
        }
        .dq-card-icon-warm {
            background: rgba(247, 127, 0, 0.1);
            color: var(--dq-warm);
        }
        .dq-card-icon-blue {
            background: rgba(13, 27, 42, 0.08);
            color: var(--dq-primary);
        }
        .dq-card-title {
            font-weight: 700;
            font-size: 1.1rem;
            margin-bottom: 8px;
            color: var(--dq-primary);
            letter-spacing: -0.01em;
        }
        .dq-card-text {
            font-size: 0.88rem;
            color: var(--dq-text-secondary);
            line-height: 1.6;
            flex-grow: 1;
        }
        .dq-card-img {
            border-radius: var(--dq-radius-sm);
            margin-bottom: 16px;
            width: 100%;
            object-fit: cover;
            aspect-ratio: 16/10;
        }

        /* ========== METRICS BOARD ========== */
        .dq-metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .dq-metric-card {
            background: var(--dq-surface);
            border-radius: var(--dq-radius);
            padding: 28px 20px;
            text-align: center;
            box-shadow: var(--dq-shadow);
            border: 1px solid var(--dq-border-light);
            transition: var(--dq-transition);
        }
        .dq-metric-card:hover {
            box-shadow: var(--dq-shadow-md);
            transform: translateY(-3px);
        }
        .dq-metric-num {
            font-size: 2.6rem;
            font-weight: 700;
            color: var(--dq-accent);
            line-height: 1;
            letter-spacing: -0.03em;
            margin-bottom: 6px;
        }
        .dq-metric-label {
            font-size: 0.88rem;
            color: var(--dq-text-secondary);
            font-weight: 500;
        }
        @media (max-width: 768px) {
            .dq-metrics-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .dq-metric-num {
                font-size: 1.8rem;
            }
        }

        /* ========== SERVICE MATRIX ========== */
        .dq-service-row {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        @media (max-width: 992px) {
            .dq-service-row {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 576px) {
            .dq-service-row {
                grid-template-columns: 1fr;
            }
        }

        /* ========== COMPARISON TABLE ========== */
        .dq-compare-table {
            width: 100%;
            border-collapse: separate;
            border-spacing: 0;
            background: var(--dq-surface);
            border-radius: var(--dq-radius-lg);
            overflow: hidden;
            box-shadow: var(--dq-shadow);
            border: 1px solid var(--dq-border-light);
        }
        .dq-compare-table th,
        .dq-compare-table td {
            padding: 16px 20px;
            text-align: center;
            font-size: 0.9rem;
            border-bottom: 1px solid var(--dq-border-light);
        }
        .dq-compare-table th {
            background: var(--dq-primary);
            color: #fff;
            font-weight: 600;
            font-size: 0.95rem;
            letter-spacing: 0.02em;
        }
        .dq-compare-table th:first-child {
            text-align: left;
            border-radius: var(--dq-radius-lg) 0 0 0;
        }
        .dq-compare-table th:last-child {
            border-radius: 0 var(--dq-radius-lg) 0 0;
        }
        .dq-compare-table td:first-child {
            text-align: left;
            font-weight: 600;
            color: var(--dq-primary);
        }
        .dq-compare-table .highlight-col {
            background: rgba(0, 180, 160, 0.04);
        }
        .dq-compare-table .check-icon {
            color: var(--dq-accent);
            font-weight: 700;
        }
        .dq-compare-table .dash-icon {
            color: #ccc;
        }
        .dq-table-wrap {
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
        }
        @media (max-width: 768px) {
            .dq-compare-table th,
            .dq-compare-table td {
                padding: 10px 12px;
                font-size: 0.78rem;
            }
        }

        /* ========== COUNTDOWN BAR ========== */
        .dq-countdown-bar {
            background: linear-gradient(135deg, #ff6b35 0%, #f77f00 50%, #e06e00 100%);
            color: #fff;
            border-radius: var(--dq-radius-lg);
            padding: 28px 32px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            flex-wrap: wrap;
            box-shadow: var(--dq-shadow-md);
        }
        .dq-countdown-text {
            font-size: 1.2rem;
            font-weight: 700;
            letter-spacing: 0.02em;
        }
        .dq-countdown-timer {
            display: flex;
            gap: 12px;
            align-items: center;
        }
        .dq-countdown-unit {
            background: rgba(0, 0, 0, 0.25);
            border-radius: var(--dq-radius-sm);
            padding: 10px 16px;
            text-align: center;
            min-width: 56px;
        }
        .dq-countdown-unit .num {
            font-size: 1.6rem;
            font-weight: 700;
            line-height: 1;
        }
        .dq-countdown-unit .label {
            font-size: 0.7rem;
            opacity: 0.85;
        }
        @media (max-width: 768px) {
            .dq-countdown-bar {
                flex-direction: column;
                text-align: center;
                padding: 20px;
            }
            .dq-countdown-timer {
                gap: 8px;
            }
            .dq-countdown-unit {
                padding: 8px 10px;
                min-width: 44px;
            }
            .dq-countdown-unit .num {
                font-size: 1.3rem;
            }
        }

        /* ========== PRICING CARDS ========== */
        .dq-pricing-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            align-items: stretch;
        }
        .dq-pricing-card {
            background: var(--dq-surface);
            border-radius: var(--dq-radius-lg);
            padding: 32px 24px;
            box-shadow: var(--dq-shadow);
            border: 2px solid var(--dq-border-light);
            text-align: center;
            transition: var(--dq-transition);
            display: flex;
            flex-direction: column;
            position: relative;
        }
        .dq-pricing-card:hover {
            box-shadow: var(--dq-shadow-md);
            transform: translateY(-5px);
        }
        .dq-pricing-card.featured {
            border-color: var(--dq-accent);
            box-shadow: var(--dq-shadow-md);
            transform: scale(1.04);
            z-index: 2;
        }
        .dq-pricing-card.featured:hover {
            transform: scale(1.05);
        }
        .dq-pricing-badge {
            position: absolute;
            top: -14px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--dq-accent);
            color: #fff;
            padding: 6px 18px;
            border-radius: 20px;
            font-size: 0.78rem;
            font-weight: 700;
            letter-spacing: 0.04em;
            white-space: nowrap;
        }
        .dq-pricing-name {
            font-weight: 700;
            font-size: 1.15rem;
            color: var(--dq-primary);
            margin-bottom: 6px;
        }
        .dq-pricing-price {
            font-size: 2.4rem;
            font-weight: 700;
            color: var(--dq-accent);
            margin-bottom: 16px;
            letter-spacing: -0.03em;
        }
        .dq-pricing-price small {
            font-size: 0.85rem;
            font-weight: 400;
            color: var(--dq-text-muted);
        }
        .dq-pricing-features {
            list-style: none;
            text-align: left;
            margin-bottom: 20px;
            flex-grow: 1;
        }
        .dq-pricing-features li {
            padding: 6px 0;
            font-size: 0.88rem;
            color: var(--dq-text-secondary);
            border-bottom: 1px solid var(--dq-border-light);
        }
        .dq-pricing-features li::before {
            content: '✓ ';
            color: var(--dq-accent);
            font-weight: 700;
        }
        @media (max-width: 992px) {
            .dq-pricing-grid {
                grid-template-columns: 1fr;
                max-width: 420px;
                margin: 0 auto;
            }
            .dq-pricing-card.featured {
                transform: scale(1);
            }
            .dq-pricing-card.featured:hover {
                transform: scale(1.02);
            }
        }

        /* ========== TOPIC TAGS ========== */
        .dq-topic-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
        }
        .dq-topic-tag {
            display: inline-block;
            padding: 10px 20px;
            border-radius: 24px;
            font-size: 0.9rem;
            font-weight: 500;
            background: var(--dq-surface);
            border: 1px solid var(--dq-border);
            color: var(--dq-text-secondary);
            transition: var(--dq-transition);
            cursor: pointer;
            white-space: nowrap;
        }
        .dq-topic-tag:hover {
            background: var(--dq-accent);
            color: #fff;
            border-color: var(--dq-accent);
            box-shadow: var(--dq-shadow);
            transform: translateY(-2px);
        }

        /* ========== NEWS LIST ========== */
        .dq-news-layout {
            display: grid;
            grid-template-columns: 1.4fr 1fr;
            gap: 32px;
            align-items: start;
        }
        .dq-news-list-item {
            padding: 18px 0;
            border-bottom: 1px solid var(--dq-border-light);
            transition: var(--dq-transition);
        }
        .dq-news-list-item:hover {
            padding-left: 8px;
        }
        .dq-news-date {
            font-size: 0.78rem;
            color: var(--dq-text-muted);
            margin-bottom: 4px;
        }
        .dq-news-title-link {
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--dq-primary);
            display: block;
            margin-bottom: 6px;
            line-height: 1.4;
        }
        .dq-news-title-link:hover {
            color: var(--dq-accent);
        }
        .dq-news-excerpt {
            font-size: 0.85rem;
            color: var(--dq-text-secondary);
            line-height: 1.55;
            margin-bottom: 8px;
        }
        .dq-news-readmore {
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--dq-accent);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .dq-news-readmore:hover {
            color: var(--dq-accent-hover);
            gap: 8px;
        }
        .dq-news-sidebar {
            background: var(--dq-surface);
            border-radius: var(--dq-radius-lg);
            padding: 24px;
            box-shadow: var(--dq-shadow);
            border: 1px solid var(--dq-border-light);
            position: sticky;
            top: calc(var(--dq-nav-height) + 24px);
        }
        .dq-news-sidebar-title {
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--dq-primary);
            margin-bottom: 16px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--dq-accent);
        }
        .dq-news-sidebar-list li {
            padding: 10px 0;
            border-bottom: 1px solid var(--dq-border-light);
            font-size: 0.88rem;
        }
        .dq-news-sidebar-list li a {
            color: var(--dq-text-secondary);
            transition: var(--dq-transition);
        }
        .dq-news-sidebar-list li a:hover {
            color: var(--dq-accent);
        }
        @media (max-width: 768px) {
            .dq-news-layout {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .dq-news-sidebar {
                position: static;
            }
        }

        /* ========== FAQ ========== */
        .dq-faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .dq-faq-item {
            background: var(--dq-surface);
            border-radius: var(--dq-radius);
            margin-bottom: 12px;
            box-shadow: var(--dq-shadow-sm);
            border: 1px solid var(--dq-border-light);
            overflow: hidden;
            transition: var(--dq-transition);
        }
        .dq-faq-item:hover {
            box-shadow: var(--dq-shadow);
        }
        .dq-faq-q {
            padding: 18px 22px;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: var(--dq-primary);
            user-select: none;
            letter-spacing: -0.01em;
        }
        .dq-faq-q .faq-icon {
            transition: var(--dq-transition);
            font-size: 0.85rem;
            color: var(--dq-accent);
            flex-shrink: 0;
        }
        .dq-faq-a {
            padding: 0 22px 18px;
            font-size: 0.9rem;
            color: var(--dq-text-secondary);
            line-height: 1.65;
            display: none;
        }
        .dq-faq-item.open .dq-faq-a {
            display: block;
        }
        .dq-faq-item.open .faq-icon {
            transform: rotate(180deg);
        }

        /* ========== FORM ========== */
        .dq-form-card {
            background: var(--dq-surface);
            border-radius: var(--dq-radius-xl);
            padding: 40px 32px;
            box-shadow: var(--dq-shadow-lg);
            border: 1px solid var(--dq-border-light);
            max-width: 640px;
            margin: 0 auto;
        }
        .dq-form-card .form-control {
            border-radius: var(--dq-radius-sm);
            border: 1px solid var(--dq-border);
            padding: 12px 16px;
            font-size: 0.95rem;
            transition: var(--dq-transition);
            background: var(--dq-bg);
        }
        .dq-form-card .form-control:focus {
            border-color: var(--dq-accent);
            box-shadow: 0 0 0 3px rgba(0, 180, 160, 0.12);
            background: #fff;
        }
        .dq-form-card label {
            font-weight: 600;
            font-size: 0.88rem;
            color: var(--dq-primary);
            margin-bottom: 6px;
        }

        /* ========== FOOTER ========== */
        .dq-footer {
            background: var(--dq-primary);
            color: rgba(255, 255, 255, 0.8);
            padding: 50px 0 30px;
            font-size: 0.88rem;
        }
        .dq-footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .dq-footer-brand {
            font-family: var(--dq-font-heading);
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
            letter-spacing: -0.02em;
        }
        .dq-footer-desc {
            font-size: 0.84rem;
            opacity: 0.7;
            line-height: 1.6;
            max-width: 280px;
        }
        .dq-footer h5 {
            color: #fff;
            font-weight: 700;
            font-size: 0.95rem;
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }
        .dq-footer ul li {
            margin-bottom: 8px;
        }
        .dq-footer ul li a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 0.84rem;
            transition: var(--dq-transition);
        }
        .dq-footer ul li a:hover {
            color: var(--dq-accent);
        }
        .dq-footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.15);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            font-size: 0.8rem;
            opacity: 0.7;
        }
        .dq-footer-bottom a {
            color: rgba(255, 255, 255, 0.7);
        }
        .dq-footer-bottom a:hover {
            color: #fff;
        }
        @media (max-width: 768px) {
            .dq-footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .dq-footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }
        @media (max-width: 480px) {
            .dq-footer-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== TESTIMONIALS ========== */
        .dq-testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .dq-testimonial-card {
            background: var(--dq-surface);
            border-radius: var(--dq-radius);
            padding: 24px;
            box-shadow: var(--dq-shadow);
            border: 1px solid var(--dq-border-light);
            transition: var(--dq-transition);
        }
        .dq-testimonial-card:hover {
            box-shadow: var(--dq-shadow-md);
        }
        .dq-testimonial-text {
            font-size: 0.9rem;
            color: var(--dq-text-secondary);
            line-height: 1.6;
            font-style: italic;
            margin-bottom: 14px;
            position: relative;
            padding-left: 20px;
        }
        .dq-testimonial-text::before {
            content: '"';
            position: absolute;
            left: 0;
            top: -4px;
            font-size: 2rem;
            color: var(--dq-accent);
            font-weight: 700;
            line-height: 1;
            font-style: normal;
        }
        .dq-testimonial-author {
            font-weight: 700;
            font-size: 0.9rem;
            color: var(--dq-primary);
        }
        .dq-testimonial-role {
            font-size: 0.78rem;
            color: var(--dq-text-muted);
        }
        @media (max-width: 768px) {
            .dq-testimonial-grid {
                grid-template-columns: 1fr;
                max-width: 420px;
                margin: 0 auto;
            }
        }

        /* ========== SCENE DEMO ========== */
        .dq-scene-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 36px;
            align-items: center;
        }
        .dq-scene-img {
            border-radius: var(--dq-radius-lg);
            width: 100%;
            aspect-ratio: 16/11;
            object-fit: cover;
            box-shadow: var(--dq-shadow-md);
        }
        .dq-scene-content h3 {
            font-weight: 700;
            font-size: 1.5rem;
            color: var(--dq-primary);
            margin-bottom: 12px;
            letter-spacing: -0.02em;
        }
        .dq-scene-content p {
            font-size: 0.92rem;
            color: var(--dq-text-secondary);
            line-height: 1.7;
            margin-bottom: 16px;
        }
        @media (max-width: 768px) {
            .dq-scene-row {
                grid-template-columns: 1fr;
                gap: 20px;
            }
        }

        /* ========== BRAND INTRO ========== */
        .dq-brand-intro {
            background: var(--dq-surface);
            border-radius: var(--dq-radius-xl);
            padding: 40px 36px;
            box-shadow: var(--dq-shadow);
            border: 1px solid var(--dq-border-light);
            max-width: 860px;
            margin: 0 auto;
            text-align: center;
        }
        .dq-brand-intro p {
            font-size: 0.95rem;
            color: var(--dq-text-secondary);
            line-height: 1.8;
        }

        /* ========== UTILITIES ========== */
        .text-accent {
            color: var(--dq-accent) !important;
        }
        .text-warm {
            color: var(--dq-warm) !important;
        }
        .fw-700 {
            font-weight: 700 !important;
        }
        .mb-0 {
            margin-bottom: 0 !important;
        }
        .gap-3 {
            gap: 1rem;
        }
        .w-100 {
            width: 100%;
        }

/* roulang page: category2 */
:root {
            --dq-primary: #0d1b2a;
            --dq-primary-light: #1b2d45;
            --dq-accent: #00b4a0;
            --dq-accent-hover: #009d8b;
            --dq-warm: #f77f00;
            --dq-warm-hover: #e06e00;
            --dq-bg: #f8f9fb;
            --dq-bg-alt: #f0f2f5;
            --dq-surface: #ffffff;
            --dq-text: #1a1a2e;
            --dq-text-secondary: #5a5d6e;
            --dq-text-muted: #8a8d99;
            --dq-border: #e2e5ea;
            --dq-border-light: #eef0f4;
            --dq-radius-sm: 8px;
            --dq-radius: 14px;
            --dq-radius-lg: 20px;
            --dq-radius-xl: 28px;
            --dq-shadow-sm: 0 1px 3px rgba(13, 27, 42, 0.06);
            --dq-shadow: 0 4px 16px rgba(13, 27, 42, 0.08);
            --dq-shadow-md: 0 8px 28px rgba(13, 27, 42, 0.1);
            --dq-shadow-lg: 0 16px 48px rgba(13, 27, 42, 0.12);
            --dq-shadow-xl: 0 24px 64px rgba(13, 27, 42, 0.16);
            --dq-transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --dq-font-heading: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
            --dq-font-body: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
            --dq-nav-height: 68px;
            --dq-container-max: 1200px;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        body {
            font-family: var(--dq-font-body);
            line-height: 1.7;
            color: var(--dq-text);
            background-color: var(--dq-bg);
            overflow-x: hidden;
            min-height: 100vh;
            margin: 0;
            padding: 0;
        }

        a {
            text-decoration: none;
            transition: var(--dq-transition);
            color: inherit;
        }
        a:hover {
            color: var(--dq-accent);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button {
            cursor: pointer;
            font-family: inherit;
            transition: var(--dq-transition);
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-family: var(--dq-font-heading);
            color: var(--dq-text);
            line-height: 1.35;
        }

        ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .dq-container {
            max-width: var(--dq-container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ========== HEADER & NAV ========== */
        .dq-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--dq-border-light);
            box-shadow: var(--dq-shadow-sm);
            height: var(--dq-nav-height);
            display: flex;
            align-items: center;
            transition: var(--dq-transition);
        }

        .dq-header .dq-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }

        .dq-logo {
            font-family: var(--dq-font-heading);
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--dq-primary);
            display: flex;
            align-items: center;
            gap: 10px;
            white-space: nowrap;
            letter-spacing: -0.02em;
            flex-shrink: 0;
        }
        .dq-logo .logo-icon {
            width: 42px;
            height: 42px;
            border-radius: var(--dq-radius-sm);
            background: linear-gradient(135deg, var(--dq-accent) 0%, #008f7e 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.3rem;
            font-weight: 700;
            flex-shrink: 0;
        }

        .dq-nav-wrapper {
            display: flex;
            align-items: center;
        }

        .dq-nav-list {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }

        .dq-nav-list li {
            list-style: none;
        }

        .dq-nav-list a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 15px;
            border-radius: 24px;
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--dq-text-secondary);
            white-space: nowrap;
            position: relative;
            transition: var(--dq-transition);
            letter-spacing: 0.01em;
        }
        .dq-nav-list a:hover {
            color: var(--dq-primary);
            background: rgba(0, 180, 160, 0.06);
        }
        .dq-nav-list a.active {
            color: var(--dq-accent);
            background: rgba(0, 180, 160, 0.1);
            font-weight: 600;
        }

        .dq-nav-chip {
            display: inline-block;
            font-size: 0.7rem;
            padding: 3px 9px;
            border-radius: 20px;
            font-weight: 600;
            letter-spacing: 0.03em;
            line-height: 1;
            pointer-events: none;
            white-space: nowrap;
        }
        .chip-live {
            background: #ff4757;
            color: #fff;
            animation: chipPulse 2s ease-in-out infinite;
        }
        .chip-warmup {
            background: #ffa502;
            color: #fff;
        }
        .chip-replay {
            background: #7c8ca0;
            color: #fff;
        }

        @keyframes chipPulse {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(255, 71, 87, 0.5);
            }
            50% {
                box-shadow: 0 0 0 10px rgba(255, 71, 87, 0);
            }
        }

        .dq-nav-cta {
            background: var(--dq-accent) !important;
            color: #fff !important;
            padding: 9px 20px !important;
            border-radius: 24px !important;
            font-weight: 600 !important;
            letter-spacing: 0.02em;
        }
        .dq-nav-cta:hover {
            background: var(--dq-accent-hover) !important;
            color: #fff !important;
            box-shadow: var(--dq-shadow-md);
            transform: translateY(-1px);
        }

        .dq-nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--dq-text);
            padding: 8px;
            border-radius: var(--dq-radius-sm);
        }

        /* ========== HERO ========== */
        .dq-hero {
            position: relative;
            background: var(--dq-primary);
            color: #fff;
            padding: 80px 0 90px;
            overflow: hidden;
            min-height: 520px;
            display: flex;
            align-items: center;
        }

        .dq-hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.35;
            z-index: 0;
        }
        .dq-hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(13, 27, 42, 0.7) 0%, rgba(13, 27, 42, 0.92) 100%);
            z-index: 1;
        }
        .dq-hero .dq-container {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .dq-hero-content h1 {
            font-size: 2.8rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 18px;
            letter-spacing: -0.03em;
            line-height: 1.25;
        }
        .dq-hero-content h1 .highlight {
            color: var(--dq-accent);
            position: relative;
        }
        .dq-hero-content .dq-hero-subtitle {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 30px;
            line-height: 1.75;
            max-width: 520px;
        }
        .dq-hero-btns {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .dq-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            border-radius: 28px;
            font-weight: 600;
            font-size: 1rem;
            letter-spacing: 0.02em;
            border: none;
            transition: var(--dq-transition);
            white-space: nowrap;
            justify-content: center;
        }
        .dq-btn-primary {
            background: var(--dq-accent);
            color: #fff;
            box-shadow: 0 4px 16px rgba(0, 180, 160, 0.35);
        }
        .dq-btn-primary:hover {
            background: var(--dq-accent-hover);
            color: #fff;
            box-shadow: 0 6px 24px rgba(0, 180, 160, 0.45);
            transform: translateY(-3px);
        }
        .dq-btn-outline {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.5);
        }
        .dq-btn-outline:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
            transform: translateY(-3px);
        }
        .dq-btn-accent {
            background: var(--dq-warm);
            color: #fff;
            box-shadow: 0 4px 16px rgba(247, 127, 0, 0.3);
        }
        .dq-btn-accent:hover {
            background: var(--dq-warm-hover);
            color: #fff;
            box-shadow: 0 6px 24px rgba(247, 127, 0, 0.4);
            transform: translateY(-3px);
        }
        .dq-hero-visual {
            position: relative;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .dq-hero-visual img {
            border-radius: var(--dq-radius-lg);
            box-shadow: var(--dq-shadow-xl);
            max-width: 100%;
            border: 3px solid rgba(255, 255, 255, 0.15);
        }
        .dq-hero-stats {
            display: flex;
            gap: 20px;
            margin-top: 28px;
            flex-wrap: wrap;
        }
        .dq-hero-stat {
            text-align: center;
            background: rgba(255, 255, 255, 0.07);
            border-radius: var(--dq-radius);
            padding: 16px 20px;
            min-width: 90px;
            backdrop-filter: blur(4px);
            border: 1px solid rgba(255, 255, 255, 0.12);
        }
        .dq-hero-stat .stat-num {
            font-size: 2rem;
            font-weight: 800;
            color: var(--dq-accent);
            line-height: 1;
        }
        .dq-hero-stat .stat-label {
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 4px;
        }

        /* ========== SECTION COMMON ========== */
        .dq-section {
            padding: 70px 0;
        }
        .dq-section-alt {
            background: var(--dq-surface);
        }
        .dq-section-dark {
            background: var(--dq-primary);
            color: #fff;
        }
        .dq-section-title {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 10px;
            letter-spacing: -0.02em;
            color: var(--dq-text);
        }
        .dq-section-dark .dq-section-title {
            color: #fff;
        }
        .dq-section-subtitle {
            font-size: 1.05rem;
            color: var(--dq-text-secondary);
            margin-bottom: 40px;
            max-width: 600px;
        }
        .dq-section-dark .dq-section-subtitle {
            color: rgba(255, 255, 255, 0.7);
        }
        .dq-section-header {
            text-align: center;
            margin-bottom: 48px;
        }
        .dq-section-header .dq-section-title {
            margin-bottom: 8px;
        }
        .dq-section-header .dq-section-subtitle {
            margin-left: auto;
            margin-right: auto;
        }

        /* ========== METRICS DASHBOARD ========== */
        .dq-metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .dq-metric-card {
            background: var(--dq-surface);
            border-radius: var(--dq-radius-lg);
            padding: 28px 24px;
            text-align: center;
            box-shadow: var(--dq-shadow);
            border: 1px solid var(--dq-border-light);
            transition: var(--dq-transition);
            position: relative;
            overflow: hidden;
        }
        .dq-metric-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--dq-shadow-lg);
            border-color: var(--dq-accent);
        }
        .dq-metric-card .metric-icon {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: rgba(0, 180, 160, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
            font-size: 1.5rem;
            color: var(--dq-accent);
        }
        .dq-metric-card .metric-value {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--dq-primary);
            line-height: 1;
            font-family: var(--dq-font-heading);
        }
        .dq-metric-card .metric-label {
            font-size: 0.9rem;
            color: var(--dq-text-secondary);
            margin-top: 6px;
        }
        .dq-metric-card .metric-trend {
            font-size: 0.8rem;
            font-weight: 600;
            margin-top: 8px;
            display: inline-block;
            padding: 4px 10px;
            border-radius: 20px;
        }
        .trend-up {
            color: #00b4a0;
            background: rgba(0, 180, 160, 0.08);
        }
        .trend-down {
            color: #ff4757;
            background: rgba(255, 71, 87, 0.08);
        }
        .dq-metric-card.accent-card {
            background: linear-gradient(135deg, var(--dq-accent) 0%, #008f7e 100%);
            color: #fff;
            border: none;
        }
        .dq-metric-card.accent-card .metric-value {
            color: #fff;
        }
        .dq-metric-card.accent-card .metric-label {
            color: rgba(255, 255, 255, 0.85);
        }
        .dq-metric-card.accent-card .metric-icon {
            background: rgba(255, 255, 255, 0.2);
            color: #fff;
        }

        /* ========== SERVICE MATRIX ========== */
        .dq-service-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .dq-service-card {
            background: var(--dq-surface);
            border-radius: var(--dq-radius-lg);
            padding: 32px 24px;
            box-shadow: var(--dq-shadow);
            border: 1px solid var(--dq-border-light);
            transition: var(--dq-transition);
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .dq-service-card:hover {
            box-shadow: var(--dq-shadow-lg);
            transform: translateY(-4px);
            border-color: var(--dq-accent);
        }
        .dq-service-card .service-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--dq-radius);
            background: rgba(0, 180, 160, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--dq-accent);
            flex-shrink: 0;
        }
        .dq-service-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin: 0;
            color: var(--dq-text);
        }
        .dq-service-card p {
            font-size: 0.95rem;
            color: var(--dq-text-secondary);
            margin: 0;
            line-height: 1.6;
            flex-grow: 1;
        }
        .dq-service-card .service-tags {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }
        .dq-tag {
            font-size: 0.78rem;
            padding: 5px 12px;
            border-radius: 20px;
            font-weight: 500;
            background: var(--dq-bg-alt);
            color: var(--dq-text-secondary);
            white-space: nowrap;
        }
        .dq-tag-accent {
            background: rgba(0, 180, 160, 0.1);
            color: var(--dq-accent);
            font-weight: 600;
        }

        /* ========== COMPARISON ========== */
        .dq-compare-wrapper {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            align-items: start;
        }
        .dq-compare-panel {
            background: var(--dq-surface);
            border-radius: var(--dq-radius-lg);
            padding: 32px;
            box-shadow: var(--dq-shadow);
            border: 1px solid var(--dq-border-light);
        }
        .dq-compare-panel h3 {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .dq-compare-bar {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 14px;
        }
        .dq-compare-bar .bar-label {
            width: 90px;
            font-size: 0.88rem;
            font-weight: 500;
            color: var(--dq-text-secondary);
            flex-shrink: 0;
            text-align: right;
        }
        .dq-compare-bar .bar-track {
            flex-grow: 1;
            height: 22px;
            background: var(--dq-bg-alt);
            border-radius: 11px;
            overflow: hidden;
            position: relative;
        }
        .dq-compare-bar .bar-fill {
            height: 100%;
            border-radius: 11px;
            transition: width 1s ease;
            position: relative;
        }
        .bar-fill-accent {
            background: linear-gradient(90deg, var(--dq-accent) 0%, #00d4be 100%);
        }
        .bar-fill-warm {
            background: linear-gradient(90deg, var(--dq-warm) 0%, #ff9f3c 100%);
        }
        .dq-compare-bar .bar-value {
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--dq-text);
            width: 40px;
            flex-shrink: 0;
            text-align: left;
        }
        .dq-compare-highlight {
            background: rgba(0, 180, 160, 0.06);
            border-left: 4px solid var(--dq-accent);
            padding: 18px 20px;
            border-radius: 0 var(--dq-radius) var(--dq-radius) 0;
            margin-top: 16px;
            font-size: 0.9rem;
            color: var(--dq-text-secondary);
            line-height: 1.6;
        }

        /* ========== ANALYSIS CARDS ========== */
        .dq-analysis-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
        .dq-analysis-card {
            background: var(--dq-surface);
            border-radius: var(--dq-radius-lg);
            overflow: hidden;
            box-shadow: var(--dq-shadow);
            border: 1px solid var(--dq-border-light);
            transition: var(--dq-transition);
            display: flex;
            flex-direction: column;
        }
        .dq-analysis-card:hover {
            box-shadow: var(--dq-shadow-lg);
            transform: translateY(-4px);
        }
        .dq-analysis-card .card-img-wrap {
            position: relative;
            height: 200px;
            overflow: hidden;
        }
        .dq-analysis-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .dq-analysis-card:hover .card-img-wrap img {
            transform: scale(1.06);
        }
        .dq-analysis-card .card-body {
            padding: 22px 20px;
            flex-grow: 1;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .dq-analysis-card .card-body h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin: 0;
        }
        .dq-analysis-card .card-body p {
            font-size: 0.92rem;
            color: var(--dq-text-secondary);
            margin: 0;
            line-height: 1.6;
            flex-grow: 1;
        }
        .dq-analysis-card .card-meta {
            font-size: 0.8rem;
            color: var(--dq-text-muted);
            display: flex;
            gap: 14px;
            align-items: center;
        }

        /* ========== FAQ ========== */
        .dq-faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .dq-faq-item {
            background: var(--dq-surface);
            border-radius: var(--dq-radius);
            margin-bottom: 12px;
            border: 1px solid var(--dq-border-light);
            overflow: hidden;
            transition: var(--dq-transition);
        }
        .dq-faq-item:hover {
            border-color: var(--dq-accent);
            box-shadow: var(--dq-shadow-sm);
        }
        .dq-faq-question {
            padding: 18px 22px;
            font-weight: 600;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: var(--dq-text);
            font-size: 1.02rem;
            user-select: none;
            transition: var(--dq-transition);
        }
        .dq-faq-question:hover {
            color: var(--dq-accent);
        }
        .dq-faq-question .faq-icon {
            font-size: 0.9rem;
            color: var(--dq-text-muted);
            transition: transform 0.3s ease;
        }
        .dq-faq-item.open .dq-faq-question .faq-icon {
            transform: rotate(180deg);
            color: var(--dq-accent);
        }
        .dq-faq-answer {
            padding: 0 22px 18px;
            font-size: 0.95rem;
            color: var(--dq-text-secondary);
            line-height: 1.7;
            display: none;
        }
        .dq-faq-item.open .dq-faq-answer {
            display: block;
        }
        .dq-faq-item.open {
            border-color: var(--dq-accent);
            box-shadow: var(--dq-shadow);
        }

        /* ========== CTA SECTION ========== */
        .dq-cta-section {
            background: linear-gradient(135deg, var(--dq-primary) 0%, var(--dq-primary-light) 100%);
            padding: 70px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .dq-cta-section::before {
            content: '';
            position: absolute;
            width: 400px;
            height: 400px;
            background: rgba(0, 180, 160, 0.08);
            border-radius: 50%;
            top: -100px;
            right: -80px;
            pointer-events: none;
        }
        .dq-cta-section::after {
            content: '';
            position: absolute;
            width: 300px;
            height: 300px;
            background: rgba(247, 127, 0, 0.06);
            border-radius: 50%;
            bottom: -80px;
            left: -60px;
            pointer-events: none;
        }
        .dq-cta-section .dq-container {
            position: relative;
            z-index: 1;
        }
        .dq-cta-section h2 {
            color: #fff;
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 14px;
        }
        .dq-cta-section p {
            color: rgba(255, 255, 255, 0.8);
            font-size: 1.05rem;
            margin-bottom: 28px;
            max-width: 550px;
            margin-left: auto;
            margin-right: auto;
        }
        .dq-subscribe-form {
            display: flex;
            gap: 10px;
            max-width: 480px;
            margin: 0 auto;
            flex-wrap: wrap;
            justify-content: center;
        }
        .dq-subscribe-form input {
            flex: 1;
            min-width: 220px;
            padding: 14px 20px;
            border-radius: 28px;
            border: 2px solid rgba(255, 255, 255, 0.25);
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
            font-size: 0.95rem;
            outline: none;
            transition: var(--dq-transition);
            font-family: inherit;
        }
        .dq-subscribe-form input::placeholder {
            color: rgba(255, 255, 255, 0.5);
        }
        .dq-subscribe-form input:focus {
            border-color: var(--dq-accent);
            background: rgba(255, 255, 255, 0.14);
            box-shadow: 0 0 0 4px rgba(0, 180, 160, 0.15);
        }
        .dq-subscribe-form .dq-btn {
            flex-shrink: 0;
        }

        /* ========== FOOTER ========== */
        .dq-footer {
            background: var(--dq-primary);
            color: rgba(255, 255, 255, 0.75);
            padding: 50px 0 28px;
            font-size: 0.9rem;
        }
        .dq-footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 32px;
        }
        .dq-footer-brand {
            font-family: var(--dq-font-heading);
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
        }
        .dq-footer-desc {
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.7;
            font-size: 0.88rem;
        }
        .dq-footer h5 {
            color: #fff;
            font-weight: 600;
            margin-bottom: 12px;
            font-size: 0.95rem;
        }
        .dq-footer ul li {
            margin-bottom: 7px;
        }
        .dq-footer ul li a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.88rem;
            transition: var(--dq-transition);
        }
        .dq-footer ul li a:hover {
            color: var(--dq-accent);
        }
        .dq-footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.45);
            justify-content: center;
            text-align: center;
        }
        .dq-footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
        }
        .dq-footer-bottom a:hover {
            color: var(--dq-accent);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .dq-hero .dq-container {
                grid-template-columns: 1fr;
                gap: 32px;
                text-align: center;
            }
            .dq-hero-content .dq-hero-subtitle {
                margin-left: auto;
                margin-right: auto;
            }
            .dq-hero-btns {
                justify-content: center;
            }
            .dq-hero-stats {
                justify-content: center;
            }
            .dq-hero-visual {
                max-width: 420px;
                margin: 0 auto;
            }
            .dq-hero-content h1 {
                font-size: 2.2rem;
            }
            .dq-metrics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .dq-service-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .dq-compare-wrapper {
                grid-template-columns: 1fr;
            }
            .dq-analysis-grid {
                grid-template-columns: 1fr;
            }
            .dq-footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .dq-nav-list {
                gap: 2px;
            }
            .dq-nav-list a {
                padding: 7px 10px;
                font-size: 0.82rem;
            }
        }

        @media (max-width: 768px) {
            .dq-header {
                height: auto;
                min-height: 60px;
                padding: 10px 0;
            }
            .dq-header .dq-container {
                flex-wrap: wrap;
            }
            .dq-nav-wrapper {
                width: 100%;
                overflow-x: auto;
                -webkit-overflow-scrolling: touch;
                padding-bottom: 4px;
            }
            .dq-nav-list {
                flex-wrap: nowrap;
                gap: 4px;
                padding: 0 4px;
            }
            .dq-nav-list a {
                padding: 8px 12px;
                font-size: 0.8rem;
                white-space: nowrap;
                border-radius: 20px;
            }
            .dq-nav-toggle {
                display: block;
            }
            .dq-hero {
                padding: 48px 0 56px;
                min-height: auto;
            }
            .dq-hero-content h1 {
                font-size: 1.8rem;
            }
            .dq-hero-content .dq-hero-subtitle {
                font-size: 1rem;
            }
            .dq-hero-stats {
                gap: 10px;
            }
            .dq-hero-stat {
                padding: 12px 14px;
                min-width: 70px;
            }
            .dq-hero-stat .stat-num {
                font-size: 1.5rem;
            }
            .dq-section {
                padding: 44px 0;
            }
            .dq-section-title {
                font-size: 1.5rem;
            }
            .dq-metrics-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .dq-metric-card {
                padding: 20px 14px;
            }
            .dq-metric-card .metric-value {
                font-size: 1.8rem;
            }
            .dq-service-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .dq-analysis-grid {
                grid-template-columns: 1fr;
            }
            .dq-compare-wrapper {
                grid-template-columns: 1fr;
            }
            .dq-footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .dq-subscribe-form {
                flex-direction: column;
                align-items: center;
            }
            .dq-subscribe-form input {
                width: 100%;
                min-width: auto;
            }
            .dq-cta-section h2 {
                font-size: 1.5rem;
            }
            .dq-container {
                padding: 0 14px;
            }
        }

        @media (max-width: 520px) {
            .dq-hero-content h1 {
                font-size: 1.5rem;
            }
            .dq-hero-stats {
                gap: 6px;
            }
            .dq-hero-stat {
                padding: 10px 10px;
                min-width: 60px;
            }
            .dq-hero-stat .stat-num {
                font-size: 1.3rem;
            }
            .dq-hero-stat .stat-label {
                font-size: 0.7rem;
            }
            .dq-metrics-grid {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }
            .dq-metric-card {
                padding: 16px 10px;
                border-radius: var(--dq-radius);
            }
            .dq-metric-card .metric-value {
                font-size: 1.5rem;
            }
            .dq-metric-card .metric-icon {
                width: 38px;
                height: 38px;
                font-size: 1.1rem;
            }
            .dq-btn {
                padding: 11px 20px;
                font-size: 0.9rem;
            }
            .dq-section {
                padding: 34px 0;
            }
            .dq-section-title {
                font-size: 1.3rem;
            }
            .dq-footer-bottom {
                flex-direction: column;
                gap: 8px;
                font-size: 0.75rem;
            }
        }

/* roulang page: category3 */
:root {
            --dq-primary: #0d1b2a;
            --dq-primary-light: #1b2d45;
            --dq-accent: #00b4a0;
            --dq-accent-hover: #009d8b;
            --dq-warm: #f77f00;
            --dq-warm-hover: #e06e00;
            --dq-bg: #f8f9fb;
            --dq-bg-alt: #f0f2f5;
            --dq-surface: #ffffff;
            --dq-text: #1a1a2e;
            --dq-text-secondary: #5a5d6e;
            --dq-text-muted: #8a8d99;
            --dq-border: #e2e5ea;
            --dq-border-light: #eef0f4;
            --dq-radius-sm: 8px;
            --dq-radius: 14px;
            --dq-radius-lg: 20px;
            --dq-radius-xl: 28px;
            --dq-shadow-sm: 0 1px 3px rgba(13, 27, 42, 0.06);
            --dq-shadow: 0 4px 16px rgba(13, 27, 42, 0.08);
            --dq-shadow-md: 0 8px 28px rgba(13, 27, 42, 0.1);
            --dq-shadow-lg: 0 16px 48px rgba(13, 27, 42, 0.12);
            --dq-shadow-xl: 0 24px 64px rgba(13, 27, 42, 0.16);
            --dq-transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --dq-font-heading: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
            --dq-font-body: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
            --dq-nav-height: 68px;
            --dq-container-max: 1200px;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--dq-font-body);
            line-height: 1.7;
            color: var(--dq-text);
            background-color: var(--dq-bg);
            overflow-x: hidden;
            min-height: 100vh;
        }

        a {
            text-decoration: none;
            transition: var(--dq-transition);
            color: inherit;
        }

        a:hover {
            color: var(--dq-accent);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button {
            cursor: pointer;
            font-family: inherit;
            transition: var(--dq-transition);
        }

        .dq-container {
            max-width: var(--dq-container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        @media (max-width: 768px) {
            .dq-container {
                padding: 0 16px;
            }
        }

        /* ========== HEADER & NAV ========== */
        .dq-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--dq-border-light);
            box-shadow: var(--dq-shadow-sm);
            height: var(--dq-nav-height);
            display: flex;
            align-items: center;
            transition: var(--dq-transition);
        }

        .dq-header .dq-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }

        .dq-logo {
            font-family: var(--dq-font-heading);
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--dq-primary);
            display: flex;
            align-items: center;
            gap: 10px;
            white-space: nowrap;
            letter-spacing: -0.02em;
            flex-shrink: 0;
        }

        .dq-logo .logo-icon {
            width: 42px;
            height: 42px;
            border-radius: var(--dq-radius-sm);
            background: linear-gradient(135deg, var(--dq-accent) 0%, #008f7e 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.3rem;
            font-weight: 700;
            flex-shrink: 0;
        }

        .dq-nav-wrapper {
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
            -ms-overflow-style: none;
            flex: 1;
            display: flex;
            justify-content: flex-end;
        }

        .dq-nav-wrapper::-webkit-scrollbar {
            display: none;
        }

        .dq-nav-list {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: nowrap;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .dq-nav-list li {
            flex-shrink: 0;
        }

        .dq-nav-list a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 15px;
            border-radius: 24px;
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--dq-text-secondary);
            white-space: nowrap;
            position: relative;
            transition: var(--dq-transition);
            letter-spacing: 0.01em;
        }

        .dq-nav-list a:hover {
            color: var(--dq-primary);
            background: rgba(0, 180, 160, 0.06);
        }

        .dq-nav-list a.active {
            color: var(--dq-accent);
            background: rgba(0, 180, 160, 0.1);
            font-weight: 600;
        }

        .dq-nav-chip {
            display: inline-block;
            font-size: 0.7rem;
            padding: 3px 9px;
            border-radius: 20px;
            font-weight: 600;
            letter-spacing: 0.03em;
            line-height: 1;
            pointer-events: none;
            white-space: nowrap;
        }

        .chip-live {
            background: #ff4757;
            color: #fff;
            animation: chipPulse 2s ease-in-out infinite;
        }

        .chip-warmup {
            background: #ffa502;
            color: #fff;
        }

        .chip-replay {
            background: #7c8ca0;
            color: #fff;
        }

        @keyframes chipPulse {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(255, 71, 87, 0.5);
            }
            50% {
                box-shadow: 0 0 0 10px rgba(255, 71, 87, 0);
            }
        }

        .dq-nav-cta {
            background: var(--dq-accent) !important;
            color: #fff !important;
            padding: 9px 20px !important;
            border-radius: 24px !important;
            font-weight: 600 !important;
            letter-spacing: 0.02em;
        }

        .dq-nav-cta:hover {
            background: var(--dq-accent-hover) !important;
            color: #fff !important;
        }

        @media (max-width: 1024px) {
            .dq-nav-list a {
                padding: 7px 11px;
                font-size: 0.82rem;
                gap: 4px;
            }
            .dq-nav-chip {
                font-size: 0.65rem;
                padding: 2px 7px;
            }
            .dq-logo {
                font-size: 1.25rem;
            }
            .dq-logo .logo-icon {
                width: 36px;
                height: 36px;
                font-size: 1.1rem;
            }
        }

        @media (max-width: 768px) {
            .dq-header {
                height: auto;
                min-height: 56px;
                padding: 8px 0;
            }
            .dq-header .dq-container {
                flex-wrap: wrap;
                gap: 8px;
            }
            .dq-logo {
                font-size: 1.1rem;
            }
            .dq-logo .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 0.95rem;
            }
            .dq-nav-wrapper {
                flex-basis: 100%;
                justify-content: flex-start;
            }
            .dq-nav-list a {
                padding: 6px 10px;
                font-size: 0.78rem;
                border-radius: 20px;
            }
            .dq-nav-cta {
                padding: 7px 14px !important;
                font-size: 0.78rem !important;
            }
        }

        /* ========== BUTTONS ========== */
        .dq-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: 28px;
            font-weight: 600;
            font-size: 1rem;
            letter-spacing: 0.02em;
            border: none;
            transition: var(--dq-transition);
            white-space: nowrap;
            cursor: pointer;
            font-family: var(--dq-font-body);
        }

        .dq-btn-primary {
            background: var(--dq-accent);
            color: #fff;
            box-shadow: 0 4px 14px rgba(0, 180, 160, 0.3);
        }

        .dq-btn-primary:hover {
            background: var(--dq-accent-hover);
            box-shadow: 0 6px 22px rgba(0, 180, 160, 0.4);
            transform: translateY(-2px);
            color: #fff;
        }

        .dq-btn-warm {
            background: var(--dq-warm);
            color: #fff;
            box-shadow: 0 4px 14px rgba(247, 127, 0, 0.3);
        }

        .dq-btn-warm:hover {
            background: var(--dq-warm-hover);
            box-shadow: 0 6px 22px rgba(247, 127, 0, 0.4);
            transform: translateY(-2px);
            color: #fff;
        }

        .dq-btn-outline {
            background: transparent;
            color: var(--dq-primary);
            border: 2px solid var(--dq-border);
        }

        .dq-btn-outline:hover {
            border-color: var(--dq-accent);
            color: var(--dq-accent);
            background: rgba(0, 180, 160, 0.04);
        }

        .dq-btn-lg {
            padding: 16px 36px;
            font-size: 1.1rem;
            border-radius: 32px;
        }

        .dq-btn-sm {
            padding: 8px 18px;
            font-size: 0.88rem;
            border-radius: 22px;
        }

        /* ========== SECTION SPACING ========== */
        .dq-section {
            padding: 64px 0;
        }

        .dq-section-sm {
            padding: 40px 0;
        }

        .dq-section-lg {
            padding: 80px 0;
        }

        @media (max-width: 768px) {
            .dq-section {
                padding: 40px 0;
            }
            .dq-section-lg {
                padding: 52px 0;
            }
            .dq-section-sm {
                padding: 28px 0;
            }
        }

        /* ========== SECTION HEADINGS ========== */
        .dq-section-label {
            display: inline-block;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--dq-accent);
            text-transform: uppercase;
            letter-spacing: 0.06em;
            margin-bottom: 12px;
            background: rgba(0, 180, 160, 0.08);
            padding: 6px 16px;
            border-radius: 20px;
        }

        .dq-section-title {
            font-family: var(--dq-font-heading);
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--dq-primary);
            margin-bottom: 16px;
            letter-spacing: -0.02em;
            line-height: 1.3;
        }

        .dq-section-subtitle {
            font-size: 1.05rem;
            color: var(--dq-text-secondary);
            max-width: 680px;
            line-height: 1.7;
        }

        @media (max-width: 768px) {
            .dq-section-title {
                font-size: 1.6rem;
            }
            .dq-section-subtitle {
                font-size: 0.95rem;
            }
        }

        /* ========== CARDS ========== */
        .dq-card {
            background: var(--dq-surface);
            border-radius: var(--dq-radius-lg);
            padding: 28px;
            box-shadow: var(--dq-shadow);
            transition: var(--dq-transition);
            border: 1px solid var(--dq-border-light);
            height: 100%;
        }

        .dq-card:hover {
            box-shadow: var(--dq-shadow-md);
            transform: translateY(-4px);
            border-color: transparent;
        }

        .dq-card-icon {
            width: 56px;
            height: 56px;
            border-radius: var(--dq-radius);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            margin-bottom: 16px;
            flex-shrink: 0;
        }

        .dq-card-icon.accent {
            background: rgba(0, 180, 160, 0.12);
            color: var(--dq-accent);
        }

        .dq-card-icon.warm {
            background: rgba(247, 127, 0, 0.12);
            color: var(--dq-warm);
        }

        .dq-card-icon.primary {
            background: rgba(13, 27, 42, 0.08);
            color: var(--dq-primary);
        }

        .dq-card h4 {
            font-family: var(--dq-font-heading);
            font-weight: 700;
            font-size: 1.15rem;
            margin-bottom: 8px;
            color: var(--dq-primary);
        }

        .dq-card p {
            color: var(--dq-text-secondary);
            font-size: 0.93rem;
            margin-bottom: 0;
            line-height: 1.65;
        }

        /* ========== BADGE / TAG ========== */
        .dq-badge {
            display: inline-block;
            padding: 5px 14px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.03em;
            white-space: nowrap;
        }

        .dq-badge-accent {
            background: rgba(0, 180, 160, 0.12);
            color: #007a6b;
        }

        .dq-badge-warm {
            background: rgba(247, 127, 0, 0.12);
            color: #c45d00;
        }

        .dq-badge-hot {
            background: #ff4757;
            color: #fff;
            animation: badgeGlow 2s ease-in-out infinite;
        }

        @keyframes badgeGlow {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(255, 71, 87, 0.5);
            }
            50% {
                box-shadow: 0 0 0 8px rgba(255, 71, 87, 0);
            }
        }

        /* ========== HERO ========== */
        .dq-hero-training {
            position: relative;
            background: linear-gradient(160deg, #0d1b2a 0%, #132a40 35%, #0a1a2e 70%, #0d1b2a 100%);
            color: #fff;
            padding: 80px 0 90px;
            overflow: hidden;
            min-height: 520px;
            display: flex;
            align-items: center;
        }

        .dq-hero-training .hero-bg-img {
            position: absolute;
            right: -60px;
            top: 50%;
            transform: translateY(-50%);
            width: 48%;
            max-width: 700px;
            border-radius: var(--dq-radius-xl);
            opacity: 0.55;
            mask-image: linear-gradient(to left, rgba(0, 0, 0, 0.9) 30%, rgba(0, 0, 0, 0.15) 100%);
            -webkit-mask-image: linear-gradient(to left, rgba(0, 0, 0, 0.9) 30%, rgba(0, 0, 0, 0.15) 100%);
            z-index: 1;
            pointer-events: none;
        }

        .dq-hero-training .hero-content {
            position: relative;
            z-index: 2;
            max-width: 600px;
        }

        .dq-hero-training .hero-explosion-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: #ff4757;
            color: #fff;
            font-weight: 700;
            font-size: 0.9rem;
            padding: 8px 18px;
            border-radius: 24px;
            margin-bottom: 18px;
            box-shadow: 0 6px 24px rgba(255, 71, 87, 0.45);
            animation: explodePulse 2.2s ease-in-out infinite;
            letter-spacing: 0.04em;
        }

        @keyframes explodePulse {
            0%,
            100% {
                transform: scale(1);
                box-shadow: 0 6px 24px rgba(255, 71, 87, 0.45);
            }
            50% {
                transform: scale(1.06);
                box-shadow: 0 10px 34px rgba(255, 71, 87, 0.65);
            }
        }

        .dq-hero-training h1 {
            font-family: var(--dq-font-heading);
            font-size: 2.8rem;
            font-weight: 800;
            letter-spacing: -0.03em;
            line-height: 1.2;
            margin-bottom: 18px;
            color: #fff;
        }

        .dq-hero-training h1 span {
            color: var(--dq-accent);
            position: relative;
        }

        .dq-hero-training .hero-subtitle {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 12px;
            line-height: 1.6;
        }

        .dq-hero-training .hero-limited-text {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-weight: 600;
            color: #ffa502;
            font-size: 0.95rem;
            margin-bottom: 24px;
            background: rgba(255, 165, 2, 0.1);
            padding: 6px 14px;
            border-radius: 20px;
            border: 1px dashed rgba(255, 165, 2, 0.4);
        }

        .dq-hero-training .hero-buttons {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        @media (max-width: 768px) {
            .dq-hero-training {
                padding: 48px 0 56px;
                min-height: auto;
            }
            .dq-hero-training .hero-bg-img {
                position: absolute;
                right: -40px;
                width: 65%;
                opacity: 0.3;
                top: auto;
                bottom: 0;
                transform: none;
                border-radius: var(--dq-radius-lg);
            }
            .dq-hero-training h1 {
                font-size: 1.9rem;
            }
            .dq-hero-training .hero-subtitle {
                font-size: 0.95rem;
            }
            .dq-hero-training .hero-content {
                max-width: 100%;
            }
        }

        /* ========== METRICS DASHBOARD ========== */
        .dq-metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .dq-metric-card {
            background: var(--dq-surface);
            border-radius: var(--dq-radius-lg);
            padding: 28px 24px;
            text-align: center;
            box-shadow: var(--dq-shadow);
            border: 1px solid var(--dq-border-light);
            transition: var(--dq-transition);
        }

        .dq-metric-card:hover {
            box-shadow: var(--dq-shadow-md);
            transform: translateY(-3px);
        }

        .dq-metric-value {
            font-family: var(--dq-font-heading);
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--dq-primary);
            letter-spacing: -0.03em;
            line-height: 1;
            margin-bottom: 6px;
        }

        .dq-metric-value.accent {
            color: var(--dq-accent);
        }

        .dq-metric-value.warm {
            color: var(--dq-warm);
        }

        .dq-metric-label {
            font-size: 0.9rem;
            color: var(--dq-text-muted);
            font-weight: 500;
        }

        .dq-metric-sub {
            font-size: 0.78rem;
            color: var(--dq-accent);
            font-weight: 600;
            margin-top: 4px;
        }

        @media (max-width: 768px) {
            .dq-metrics-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .dq-metric-value {
                font-size: 2rem;
            }
            .dq-metric-card {
                padding: 20px 16px;
            }
        }

        @media (max-width: 480px) {
            .dq-metrics-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .dq-metric-value {
                font-size: 1.7rem;
            }
        }

        /* ========== SERVICE MATRIX ========== */
        .dq-service-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .dq-service-card {
            background: var(--dq-surface);
            border-radius: var(--dq-radius-xl);
            overflow: hidden;
            box-shadow: var(--dq-shadow);
            transition: var(--dq-transition);
            border: 1px solid var(--dq-border-light);
            display: flex;
            flex-direction: column;
        }

        .dq-service-card:hover {
            box-shadow: var(--dq-shadow-lg);
            transform: translateY(-5px);
            border-color: transparent;
        }

        .dq-service-card .card-img-wrap {
            position: relative;
            height: 200px;
            overflow: hidden;
        }

        .dq-service-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

        .dq-service-card:hover .card-img-wrap img {
            transform: scale(1.06);
        }

        .dq-service-card .card-img-badge {
            position: absolute;
            top: 14px;
            left: 14px;
            z-index: 2;
        }

        .dq-service-card .card-body-wrap {
            padding: 22px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .dq-service-card .card-body-wrap h4 {
            font-family: var(--dq-font-heading);
            font-weight: 700;
            font-size: 1.1rem;
            margin-bottom: 8px;
            color: var(--dq-primary);
        }

        .dq-service-card .card-body-wrap p {
            color: var(--dq-text-secondary);
            font-size: 0.9rem;
            line-height: 1.6;
            flex: 1;
            margin-bottom: 14px;
        }

        .dq-service-card .card-body-wrap .dq-btn-sm {
            align-self: flex-start;
        }

        @media (max-width: 992px) {
            .dq-service-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 600px) {
            .dq-service-grid {
                grid-template-columns: 1fr;
            }
            .dq-service-card .card-img-wrap {
                height: 180px;
            }
        }

        /* ========== COMPARISON TABLE ========== */
        .dq-compare-wrapper {
            background: var(--dq-surface);
            border-radius: var(--dq-radius-xl);
            overflow: hidden;
            box-shadow: var(--dq-shadow-md);
            border: 1px solid var(--dq-border-light);
        }

        .dq-compare-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.95rem;
        }

        .dq-compare-table thead th {
            background: var(--dq-primary);
            color: #fff;
            padding: 16px 20px;
            text-align: center;
            font-weight: 600;
            font-size: 0.95rem;
            letter-spacing: 0.02em;
        }

        .dq-compare-table thead th.highlight-col {
            background: var(--dq-accent);
            font-size: 1rem;
            position: relative;
        }

        .dq-compare-table thead th.highlight-col::after {
            content: '推荐';
            position: absolute;
            top: -10px;
            right: 16px;
            background: #ff4757;
            color: #fff;
            font-size: 0.7rem;
            padding: 3px 10px;
            border-radius: 12px;
            font-weight: 700;
            letter-spacing: 0.04em;
        }

        .dq-compare-table tbody td {
            padding: 14px 20px;
            text-align: center;
            border-bottom: 1px solid var(--dq-border-light);
            color: var(--dq-text-secondary);
        }

        .dq-compare-table tbody tr:last-child td {
            border-bottom: none;
        }

        .dq-compare-table tbody td:first-child {
            text-align: left;
            font-weight: 600;
            color: var(--dq-text);
        }

        .dq-compare-table .check-icon {
            color: var(--dq-accent);
            font-size: 1.1rem;
        }

        .dq-compare-table .dash-icon {
            color: var(--dq-text-muted);
        }

        @media (max-width: 768px) {
            .dq-compare-wrapper {
                overflow-x: auto;
                -webkit-overflow-scrolling: touch;
            }
            .dq-compare-table {
                font-size: 0.82rem;
                min-width: 600px;
            }
            .dq-compare-table thead th,
            .dq-compare-table tbody td {
                padding: 10px 12px;
            }
        }

        /* ========== FAQ ========== */
        .dq-faq-item {
            background: var(--dq-surface);
            border-radius: var(--dq-radius);
            margin-bottom: 12px;
            border: 1px solid var(--dq-border-light);
            overflow: hidden;
            transition: var(--dq-transition);
        }

        .dq-faq-item:hover {
            box-shadow: var(--dq-shadow-sm);
        }

        .dq-faq-question {
            width: 100%;
            text-align: left;
            padding: 18px 22px;
            background: none;
            border: none;
            font-weight: 600;
            font-size: 1rem;
            color: var(--dq-primary);
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            cursor: pointer;
            font-family: var(--dq-font-body);
            letter-spacing: 0.01em;
        }

        .dq-faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(0, 180, 160, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--dq-accent);
            transition: transform 0.3s ease;
            font-size: 0.8rem;
        }

        .dq-faq-item.open .dq-faq-question .faq-icon {
            transform: rotate(180deg);
            background: var(--dq-accent);
            color: #fff;
        }

        .dq-faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 22px;
            color: var(--dq-text-secondary);
            font-size: 0.93rem;
            line-height: 1.7;
        }

        .dq-faq-item.open .dq-faq-answer {
            max-height: 300px;
            padding: 0 22px 18px 22px;
        }

        /* ========== CTA SECTION ========== */
        .dq-cta-section {
            background: linear-gradient(150deg, #0d1b2a 0%, #132a40 50%, #0a1a2e 100%);
            color: #fff;
            border-radius: var(--dq-radius-xl);
            padding: 56px 48px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .dq-cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(0, 180, 160, 0.15);
            pointer-events: none;
        }

        .dq-cta-section::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -40px;
            width: 140px;
            height: 140px;
            border-radius: 50%;
            background: rgba(247, 127, 0, 0.12);
            pointer-events: none;
        }

        .dq-cta-section .cta-content {
            position: relative;
            z-index: 1;
            max-width: 600px;
            margin: 0 auto;
        }

        .dq-cta-section h3 {
            font-family: var(--dq-font-heading);
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 12px;
            letter-spacing: -0.02em;
        }

        .dq-cta-section p {
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 24px;
            font-size: 1rem;
            line-height: 1.6;
        }

        .dq-cta-form {
            display: flex;
            gap: 10px;
            max-width: 480px;
            margin: 0 auto;
            flex-wrap: wrap;
            justify-content: center;
        }

        .dq-cta-form input {
            flex: 1;
            min-width: 200px;
            padding: 14px 20px;
            border-radius: 28px;
            border: 2px solid rgba(255, 255, 255, 0.25);
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
            font-size: 0.95rem;
            font-family: var(--dq-font-body);
            transition: var(--dq-transition);
            outline: none;
        }

        .dq-cta-form input::placeholder {
            color: rgba(255, 255, 255, 0.5);
        }

        .dq-cta-form input:focus {
            border-color: var(--dq-accent);
            background: rgba(255, 255, 255, 0.14);
            box-shadow: 0 0 0 4px rgba(0, 180, 160, 0.15);
        }

        @media (max-width: 768px) {
            .dq-cta-section {
                padding: 40px 20px;
                border-radius: var(--dq-radius-lg);
            }
            .dq-cta-section h3 {
                font-size: 1.5rem;
            }
            .dq-cta-form {
                flex-direction: column;
                align-items: stretch;
            }
            .dq-cta-form input {
                min-width: auto;
            }
        }

        /* ========== FOOTER ========== */
        .dq-footer {
            background: var(--dq-primary);
            color: rgba(255, 255, 255, 0.8);
            padding: 48px 0 24px;
            margin-top: 0;
        }

        .dq-footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 32px;
        }

        .dq-footer-brand {
            font-family: var(--dq-font-heading);
            font-size: 1.4rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
        }

        .dq-footer-desc {
            font-size: 0.9rem;
            line-height: 1.6;
            color: rgba(255, 255, 255, 0.6);
            max-width: 320px;
        }

        .dq-footer h5 {
            font-family: var(--dq-font-heading);
            font-weight: 600;
            font-size: 0.95rem;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }

        .dq-footer ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .dq-footer ul li {
            margin-bottom: 8px;
        }

        .dq-footer ul li a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.88rem;
            transition: var(--dq-transition);
        }

        .dq-footer ul li a:hover {
            color: var(--dq-accent);
        }

        .dq-footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px 20px;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.5);
            justify-content: center;
            text-align: center;
        }

        .dq-footer-bottom a {
            color: rgba(255, 255, 255, 0.6);
        }

        .dq-footer-bottom a:hover {
            color: var(--dq-accent);
        }

        @media (max-width: 768px) {
            .dq-footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .dq-footer-desc {
                max-width: 100%;
            }
        }

        @media (max-width: 480px) {
            .dq-footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
        }

        /* ========== GLOW ORB DECORATION ========== */
        .dq-glow-orb {
            position: absolute;
            border-radius: 50%;
            pointer-events: none;
            z-index: 0;
            filter: blur(60px);
            opacity: 0.3;
        }

        /* ========== TESTIMONIAL MINI ========== */
        .dq-testimonial-mini {
            background: var(--dq-surface);
            border-radius: var(--dq-radius-lg);
            padding: 22px 24px;
            box-shadow: var(--dq-shadow-sm);
            border-left: 4px solid var(--dq-accent);
            transition: var(--dq-transition);
        }

        .dq-testimonial-mini:hover {
            box-shadow: var(--dq-shadow-md);
        }

        .dq-testimonial-mini .quote-text {
            font-style: italic;
            color: var(--dq-text-secondary);
            font-size: 0.93rem;
            line-height: 1.6;
            margin-bottom: 10px;
        }

        .dq-testimonial-mini .quote-author {
            font-weight: 600;
            color: var(--dq-primary);
            font-size: 0.88rem;
        }

        .dq-testimonial-mini .quote-role {
            color: var(--dq-text-muted);
            font-size: 0.8rem;
        }

/* roulang page: category1 */
:root {
            --dq-primary: #0d1b2a;
            --dq-primary-light: #1b2d45;
            --dq-accent: #00b4a0;
            --dq-accent-hover: #009d8b;
            --dq-warm: #f77f00;
            --dq-warm-hover: #e06e00;
            --dq-bg: #f8f9fb;
            --dq-bg-alt: #f0f2f5;
            --dq-surface: #ffffff;
            --dq-text: #1a1a2e;
            --dq-text-secondary: #5a5d6e;
            --dq-text-muted: #8a8d99;
            --dq-border: #e2e5ea;
            --dq-border-light: #eef0f4;
            --dq-radius-sm: 8px;
            --dq-radius: 14px;
            --dq-radius-lg: 20px;
            --dq-radius-xl: 28px;
            --dq-shadow-sm: 0 1px 3px rgba(13, 27, 42, 0.06);
            --dq-shadow: 0 4px 16px rgba(13, 27, 42, 0.08);
            --dq-shadow-md: 0 8px 28px rgba(13, 27, 42, 0.1);
            --dq-shadow-lg: 0 16px 48px rgba(13, 27, 42, 0.12);
            --dq-shadow-xl: 0 24px 64px rgba(13, 27, 42, 0.16);
            --dq-transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --dq-font-heading: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
            --dq-font-body: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
            --dq-nav-height: 68px;
            --dq-container-max: 1200px;
            --dq-red: #e63946;
            --dq-red-light: #ff6b6b;
            --dq-green: #2ecc71;
            --dq-blue: #3b6df0;
            --dq-gold: #f0c040;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--dq-font-body);
            line-height: 1.7;
            color: var(--dq-text);
            background-color: var(--dq-bg);
            overflow-x: hidden;
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
        }

        a {
            text-decoration: none;
            transition: var(--dq-transition);
            color: inherit;
        }

        a:hover {
            color: var(--dq-accent);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button {
            cursor: pointer;
            font-family: inherit;
            transition: var(--dq-transition);
        }

        .dq-container {
            max-width: var(--dq-container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        @media (max-width: 768px) {
            .dq-container {
                padding: 0 16px;
            }
        }

        /* ========== HEADER & NAV ========== */
        .dq-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--dq-border-light);
            box-shadow: var(--dq-shadow-sm);
            height: var(--dq-nav-height);
            display: flex;
            align-items: center;
            transition: var(--dq-transition);
        }

        .dq-header .dq-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }

        .dq-logo {
            font-family: var(--dq-font-heading);
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--dq-primary);
            display: flex;
            align-items: center;
            gap: 10px;
            white-space: nowrap;
            letter-spacing: -0.02em;
            flex-shrink: 0;
        }

        .dq-logo .logo-icon {
            width: 42px;
            height: 42px;
            border-radius: var(--dq-radius-sm);
            background: linear-gradient(135deg, var(--dq-accent) 0%, #008f7e 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.3rem;
            font-weight: 700;
            flex-shrink: 0;
        }

        .dq-nav-wrapper {
            display: flex;
            align-items: center;
        }

        .dq-nav-list {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: wrap;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .dq-nav-list li {
            list-style: none;
        }

        .dq-nav-list a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 14px;
            border-radius: 24px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--dq-text-secondary);
            white-space: nowrap;
            position: relative;
            transition: var(--dq-transition);
            letter-spacing: 0.01em;
        }

        .dq-nav-list a:hover {
            color: var(--dq-primary);
            background: rgba(0, 180, 160, 0.06);
        }

        .dq-nav-list a.active {
            color: var(--dq-accent);
            background: rgba(0, 180, 160, 0.1);
            font-weight: 600;
        }

        .dq-nav-chip {
            display: inline-block;
            font-size: 0.68rem;
            padding: 3px 9px;
            border-radius: 20px;
            font-weight: 600;
            letter-spacing: 0.03em;
            line-height: 1;
            pointer-events: none;
            white-space: nowrap;
        }

        .chip-live {
            background: #ff4757;
            color: #fff;
            animation: chipPulse 2s ease-in-out infinite;
        }

        .chip-warmup {
            background: #ffa502;
            color: #fff;
        }

        .chip-replay {
            background: #7c8ca0;
            color: #fff;
        }

        @keyframes chipPulse {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.7;
            }
        }

        .dq-nav-cta {
            background: var(--dq-accent) !important;
            color: #fff !important;
            padding: 9px 20px !important;
            border-radius: 24px !important;
            font-weight: 600 !important;
            letter-spacing: 0.02em;
        }

        .dq-nav-cta:hover {
            background: var(--dq-accent-hover) !important;
            color: #fff !important;
            box-shadow: var(--dq-shadow-md);
        }

        /* 移动端汉堡菜单 */
        .dq-nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--dq-primary);
            padding: 8px;
            cursor: pointer;
            z-index: 1060;
        }

        @media (max-width: 1024px) {
            .dq-nav-toggle {
                display: block;
            }
            .dq-nav-wrapper {
                position: fixed;
                top: var(--dq-nav-height);
                left: 0;
                right: 0;
                background: rgba(255, 255, 255, 0.98);
                backdrop-filter: blur(14px);
                -webkit-backdrop-filter: blur(14px);
                border-bottom: 1px solid var(--dq-border);
                box-shadow: var(--dq-shadow-lg);
                padding: 16px 20px;
                max-height: 0;
                overflow: hidden;
                opacity: 0;
                transition: max-height 0.35s ease, opacity 0.3s ease, padding 0.3s ease;
                pointer-events: none;
            }
            .dq-nav-wrapper.open {
                max-height: 520px;
                opacity: 1;
                pointer-events: auto;
                padding: 16px 20px;
            }
            .dq-nav-list {
                flex-direction: column;
                gap: 2px;
                width: 100%;
            }
            .dq-nav-list a {
                width: 100%;
                padding: 12px 16px;
                border-radius: var(--dq-radius-sm);
                font-size: 0.95rem;
            }
            .dq-nav-list a.dq-nav-cta {
                text-align: center;
                justify-content: center;
                margin-top: 8px;
            }
        }

        /* ========== SECTION TITLES ========== */
        .dq-section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: var(--dq-accent);
            background: rgba(0, 180, 160, 0.08);
            padding: 6px 16px;
            border-radius: 20px;
            margin-bottom: 12px;
        }

        .dq-section-title {
            font-family: var(--dq-font-heading);
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--dq-primary);
            margin-bottom: 16px;
            letter-spacing: -0.02em;
            line-height: 1.3;
        }

        .dq-section-subtitle {
            font-size: 1.05rem;
            color: var(--dq-text-secondary);
            max-width: 680px;
            line-height: 1.65;
        }

        @media (max-width: 768px) {
            .dq-section-title {
                font-size: 1.6rem;
            }
            .dq-section-subtitle {
                font-size: 0.95rem;
            }
        }

        /* ========== HERO (深色信息面板 + 右侧 faux 数据榜单) ========== */
        .dq-hero {
            position: relative;
            background: linear-gradient(160deg, #0d1b2a 0%, #152238 40%, #0f1e30 100%);
            min-height: 580px;
            display: flex;
            align-items: center;
            overflow: hidden;
            padding: 60px 0;
        }

        .dq-hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.18;
            z-index: 0;
            filter: saturate(0.6);
        }

        .dq-hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(13, 27, 42, 0.55) 0%, rgba(13, 27, 42, 0.85) 100%);
            z-index: 1;
        }

        .dq-hero .dq-container {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .dq-hero-left h1 {
            font-family: var(--dq-font-heading);
            font-size: 2.8rem;
            font-weight: 800;
            color: #ffffff;
            letter-spacing: -0.03em;
            line-height: 1.2;
            margin-bottom: 18px;
        }

        .dq-hero-left h1 .accent {
            color: var(--dq-accent);
            position: relative;
        }

        .dq-hero-left .hero-desc {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.8);
            line-height: 1.7;
            margin-bottom: 28px;
            max-width: 480px;
        }

        .dq-hero-btns {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        .dq-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            border-radius: 28px;
            font-weight: 600;
            font-size: 1rem;
            letter-spacing: 0.02em;
            border: none;
            cursor: pointer;
            transition: var(--dq-transition);
            white-space: nowrap;
        }

        .dq-btn-primary {
            background: var(--dq-accent);
            color: #fff;
            box-shadow: 0 4px 18px rgba(0, 180, 160, 0.35);
        }

        .dq-btn-primary:hover {
            background: var(--dq-accent-hover);
            box-shadow: 0 8px 28px rgba(0, 180, 160, 0.45);
            transform: translateY(-2px);
            color: #fff;
        }

        .dq-btn-outline-light {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.4);
        }

        .dq-btn-outline-light:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
            transform: translateY(-2px);
        }

        .dq-btn-accent-outline {
            background: transparent;
            color: var(--dq-accent);
            border: 2px solid var(--dq-accent);
        }

        .dq-btn-accent-outline:hover {
            background: var(--dq-accent);
            color: #fff;
            transform: translateY(-2px);
        }

        .dq-btn-warm {
            background: var(--dq-warm);
            color: #fff;
            box-shadow: 0 4px 18px rgba(247, 127, 0, 0.3);
        }

        .dq-btn-warm:hover {
            background: var(--dq-warm-hover);
            color: #fff;
            box-shadow: 0 8px 28px rgba(247, 127, 0, 0.4);
            transform: translateY(-2px);
        }

        /* Hero 右侧 faux 数据榜单 */
        .dq-hero-right {
            display: flex;
            justify-content: center;
            align-items: center;
        }

        .dq-faux-scoreboard {
            background: rgba(255, 255, 255, 0.06);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: var(--dq-radius-xl);
            padding: 28px 24px;
            width: 100%;
            max-width: 440px;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
        }

        .dq-faux-scoreboard .scoreboard-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 20px;
            color: rgba(255, 255, 255, 0.9);
            font-weight: 600;
            font-size: 0.9rem;
        }

        .dq-faux-scoreboard .scoreboard-header .live-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--dq-red);
            animation: chipPulse 1.5s ease-in-out infinite;
            display: inline-block;
            margin-right: 6px;
        }

        .dq-score-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            color: #fff;
            gap: 10px;
        }

        .dq-score-row:last-child {
            border-bottom: none;
        }

        .dq-score-row .team {
            font-weight: 500;
            font-size: 0.9rem;
            flex: 1;
            text-align: left;
            white-space: nowrap;
        }

        .dq-score-row .team:last-child {
            text-align: right;
        }

        .dq-score-row .score {
            font-weight: 800;
            font-size: 1.3rem;
            color: var(--dq-accent);
            flex-shrink: 0;
            padding: 0 10px;
            background: rgba(0, 180, 160, 0.12);
            border-radius: 8px;
            min-width: 50px;
            text-align: center;
        }

        .dq-score-row .score-min {
            font-size: 0.7rem;
            color: rgba(255, 255, 255, 0.5);
            flex-shrink: 0;
            min-width: 36px;
            text-align: center;
        }

        @media (max-width: 992px) {
            .dq-hero .dq-container {
                grid-template-columns: 1fr;
                gap: 36px;
            }
            .dq-hero-left h1 {
                font-size: 2rem;
            }
            .dq-hero-right {
                order: -1;
            }
            .dq-faux-scoreboard {
                max-width: 100%;
            }
            .dq-hero {
                min-height: auto;
                padding: 40px 0;
            }
        }

        @media (max-width: 520px) {
            .dq-hero-left h1 {
                font-size: 1.5rem;
            }
            .dq-hero-left .hero-desc {
                font-size: 0.95rem;
            }
            .dq-hero-btns {
                flex-direction: column;
                gap: 10px;
            }
            .dq-btn {
                width: 100%;
                justify-content: center;
            }
        }

        /* ========== 指标看板 Section ========== */
        .dq-metrics-section {
            padding: 60px 0;
            background: var(--dq-surface);
        }

        .dq-metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .dq-metric-card {
            background: var(--dq-bg);
            border-radius: var(--dq-radius-lg);
            padding: 28px 22px;
            text-align: center;
            border: 1px solid var(--dq-border-light);
            transition: var(--dq-transition);
            position: relative;
        }

        .dq-metric-card:hover {
            box-shadow: var(--dq-shadow-md);
            transform: translateY(-3px);
            border-color: transparent;
            background: var(--dq-surface);
        }

        .dq-metric-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--dq-radius);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
            font-size: 1.4rem;
            color: #fff;
            font-weight: 700;
        }

        .dq-metric-icon.icon-teal {
            background: linear-gradient(135deg, #00b4a0, #009d8b);
        }
        .dq-metric-icon.icon-blue {
            background: linear-gradient(135deg, #3b6df0, #2855d4);
        }
        .dq-metric-icon.icon-warm {
            background: linear-gradient(135deg, #f77f00, #e06e00);
        }
        .dq-metric-icon.icon-red {
            background: linear-gradient(135deg, #e63946, #c0392b);
        }

        .dq-metric-value {
            font-family: var(--dq-font-heading);
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--dq-primary);
            letter-spacing: -0.02em;
            line-height: 1;
        }

        .dq-metric-value .unit {
            font-size: 0.9rem;
            font-weight: 400;
            color: var(--dq-text-muted);
            margin-left: 2px;
        }

        .dq-metric-label {
            font-size: 0.9rem;
            color: var(--dq-text-secondary);
            margin-top: 6px;
            font-weight: 500;
        }

        .dq-metric-trend {
            font-size: 0.78rem;
            font-weight: 600;
            margin-top: 6px;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 3px 10px;
            border-radius: 12px;
        }

        .dq-metric-trend.up {
            color: #00b894;
            background: rgba(0, 180, 160, 0.1);
        }

        .dq-metric-trend.hot {
            color: #e63946;
            background: rgba(230, 57, 70, 0.1);
        }

        @media (max-width: 992px) {
            .dq-metrics-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
        }

        @media (max-width: 520px) {
            .dq-metrics-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .dq-metric-value {
                font-size: 1.6rem;
            }
        }

        /* ========== 服务矩阵 Section ========== */
        .dq-services-section {
            padding: 70px 0;
            background: var(--dq-bg-alt);
        }

        .dq-services-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-top: 36px;
        }

        .dq-service-card {
            background: var(--dq-surface);
            border-radius: var(--dq-radius-lg);
            overflow: hidden;
            border: 1px solid var(--dq-border-light);
            transition: var(--dq-transition);
            display: flex;
            flex-direction: column;
        }

        .dq-service-card:hover {
            box-shadow: var(--dq-shadow-lg);
            transform: translateY(-4px);
            border-color: transparent;
        }

        .dq-service-card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            display: block;
        }

        .dq-service-card-body {
            padding: 22px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .dq-service-card-body h4 {
            font-family: var(--dq-font-heading);
            font-weight: 700;
            font-size: 1.15rem;
            color: var(--dq-primary);
            margin-bottom: 8px;
        }

        .dq-service-card-body p {
            font-size: 0.9rem;
            color: var(--dq-text-secondary);
            line-height: 1.6;
            flex: 1;
            margin-bottom: 14px;
        }

        .dq-service-card-body .dq-btn-sm {
            align-self: flex-start;
            padding: 8px 18px;
            font-size: 0.85rem;
            border-radius: 20px;
            font-weight: 600;
            background: transparent;
            color: var(--dq-accent);
            border: 1.5px solid var(--dq-accent);
            cursor: pointer;
            transition: var(--dq-transition);
        }

        .dq-service-card-body .dq-btn-sm:hover {
            background: var(--dq-accent);
            color: #fff;
        }

        @media (max-width: 992px) {
            .dq-services-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 18px;
            }
        }

        @media (max-width: 600px) {
            .dq-services-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .dq-service-card-img {
                height: 170px;
            }
        }

        /* ========== 结果对比 Section ========== */
        .dq-compare-section {
            padding: 70px 0;
            background: var(--dq-surface);
        }

        .dq-compare-table-wrap {
            overflow-x: auto;
            margin-top: 32px;
            border-radius: var(--dq-radius-lg);
            border: 1px solid var(--dq-border-light);
            box-shadow: var(--dq-shadow-sm);
        }

        .dq-compare-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 700px;
            background: #fff;
        }

        .dq-compare-table thead th {
            background: var(--dq-primary);
            color: #fff;
            padding: 16px 18px;
            font-weight: 600;
            font-size: 0.9rem;
            text-align: center;
            letter-spacing: 0.02em;
            border: none;
        }

        .dq-compare-table thead th:first-child {
            text-align: left;
            border-radius: var(--dq-radius-lg) 0 0 0;
        }

        .dq-compare-table thead th:last-child {
            border-radius: 0 var(--dq-radius-lg) 0 0;
        }

        .dq-compare-table tbody td {
            padding: 14px 18px;
            font-size: 0.9rem;
            color: var(--dq-text-secondary);
            text-align: center;
            border-bottom: 1px solid var(--dq-border-light);
            vertical-align: middle;
        }

        .dq-compare-table tbody td:first-child {
            text-align: left;
            font-weight: 600;
            color: var(--dq-primary);
        }

        .dq-compare-table tbody tr:hover {
            background: rgba(0, 180, 160, 0.03);
        }

        .dq-check-icon {
            color: var(--dq-accent);
            font-size: 1.1rem;
        }

        .dq-dash-icon {
            color: var(--dq-text-muted);
        }

        .dq-highlight-col {
            background: rgba(0, 180, 160, 0.04);
            position: relative;
        }

        .dq-highlight-col::after {
            content: '推荐';
            position: absolute;
            top: -28px;
            right: 10px;
            background: var(--dq-accent);
            color: #fff;
            font-size: 0.7rem;
            padding: 4px 10px;
            border-radius: 12px;
            font-weight: 700;
            letter-spacing: 0.04em;
        }

        @media (max-width: 768px) {
            .dq-compare-table-wrap {
                border-radius: var(--dq-radius);
            }
            .dq-compare-table thead th,
            .dq-compare-table tbody td {
                padding: 10px 12px;
                font-size: 0.8rem;
            }
        }

        /* ========== 热门赛事 Section ========== */
        .dq-matches-section {
            padding: 70px 0;
            background: var(--dq-bg-alt);
        }

        .dq-matches-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
            margin-top: 32px;
        }

        .dq-match-item {
            background: var(--dq-surface);
            border-radius: var(--dq-radius);
            padding: 18px 22px;
            display: flex;
            align-items: center;
            gap: 16px;
            border: 1px solid var(--dq-border-light);
            transition: var(--dq-transition);
            flex-wrap: wrap;
        }

        .dq-match-item:hover {
            box-shadow: var(--dq-shadow-md);
            border-color: transparent;
            transform: translateX(2px);
        }

        .dq-match-date {
            font-weight: 700;
            font-size: 0.85rem;
            color: var(--dq-accent);
            background: rgba(0, 180, 160, 0.08);
            padding: 8px 14px;
            border-radius: 20px;
            white-space: nowrap;
            flex-shrink: 0;
            min-width: 90px;
            text-align: center;
        }

        .dq-match-teams {
            font-weight: 600;
            font-size: 1rem;
            color: var(--dq-primary);
            flex: 1;
            min-width: 140px;
        }

        .dq-match-league {
            font-size: 0.8rem;
            color: var(--dq-text-muted);
            background: var(--dq-bg);
            padding: 5px 12px;
            border-radius: 14px;
            white-space: nowrap;
            flex-shrink: 0;
        }

        .dq-match-status {
            font-weight: 700;
            font-size: 0.8rem;
            padding: 6px 14px;
            border-radius: 16px;
            white-space: nowrap;
            flex-shrink: 0;
        }

        .dq-match-status.live {
            background: #ffe0e3;
            color: #e63946;
            animation: chipPulse 2s ease-in-out infinite;
        }

        .dq-match-status.upcoming {
            background: #e8f4fd;
            color: #3b6df0;
        }

        .dq-match-status.ended {
            background: #eef0f4;
            color: #7c8ca0;
        }

        @media (max-width: 600px) {
            .dq-match-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
                padding: 14px 16px;
            }
            .dq-match-teams {
                font-size: 0.9rem;
            }
        }

        /* ========== 深度数据展示 Section ========== */
        .dq-insight-section {
            padding: 70px 0;
            background: var(--dq-surface);
        }

        .dq-insight-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 36px;
            margin-top: 32px;
            align-items: center;
        }

        .dq-insight-img-wrap {
            border-radius: var(--dq-radius-xl);
            overflow: hidden;
            box-shadow: var(--dq-shadow-lg);
            position: relative;
        }

        .dq-insight-img-wrap img {
            width: 100%;
            height: auto;
            display: block;
            border-radius: var(--dq-radius-xl);
        }

        .dq-insight-text h3 {
            font-family: var(--dq-font-heading);
            font-weight: 700;
            font-size: 1.6rem;
            color: var(--dq-primary);
            margin-bottom: 14px;
        }

        .dq-insight-text p {
            color: var(--dq-text-secondary);
            line-height: 1.7;
            margin-bottom: 10px;
            font-size: 0.95rem;
        }

        .dq-insight-stats {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
            margin-top: 18px;
        }

        .dq-insight-stat {
            background: var(--dq-bg);
            border-radius: var(--dq-radius);
            padding: 16px 20px;
            text-align: center;
            flex: 1;
            min-width: 100px;
            border: 1px solid var(--dq-border-light);
        }

        .dq-insight-stat .stat-val {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--dq-primary);
            font-family: var(--dq-font-heading);
        }

        .dq-insight-stat .stat-lbl {
            font-size: 0.78rem;
            color: var(--dq-text-muted);
            margin-top: 2px;
        }

        @media (max-width: 768px) {
            .dq-insight-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .dq-insight-text h3 {
                font-size: 1.3rem;
            }
        }

        /* ========== 用户评价 Section ========== */
        .dq-testimonials-section {
            padding: 70px 0;
            background: var(--dq-bg-alt);
        }

        .dq-testimonials-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 22px;
            margin-top: 32px;
        }

        .dq-testimonial-card {
            background: var(--dq-surface);
            border-radius: var(--dq-radius-lg);
            padding: 24px 20px;
            border: 1px solid var(--dq-border-light);
            transition: var(--dq-transition);
            position: relative;
        }

        .dq-testimonial-card:hover {
            box-shadow: var(--dq-shadow-md);
            transform: translateY(-3px);
            border-color: transparent;
        }

        .dq-testimonial-card .quote-icon {
            font-size: 1.8rem;
            color: var(--dq-accent);
            opacity: 0.4;
            margin-bottom: 8px;
        }

        .dq-testimonial-card p {
            font-size: 0.9rem;
            color: var(--dq-text-secondary);
            line-height: 1.65;
            font-style: italic;
        }

        .dq-testimonial-card .author {
            font-weight: 700;
            font-size: 0.85rem;
            color: var(--dq-primary);
            margin-top: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .dq-testimonial-card .author-avatar {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--dq-accent);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.8rem;
        }

        @media (max-width: 992px) {
            .dq-testimonials-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 600px) {
            .dq-testimonials-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== FAQ Section ========== */
        .dq-faq-section {
            padding: 70px 0;
            background: var(--dq-surface);
        }

        .dq-faq-list {
            max-width: 800px;
            margin: 32px auto 0;
        }

        .dq-faq-item {
            border: 1px solid var(--dq-border-light);
            border-radius: var(--dq-radius);
            margin-bottom: 12px;
            overflow: hidden;
            transition: var(--dq-transition);
            background: #fff;
        }

        .dq-faq-item:hover {
            border-color: var(--dq-border);
        }

        .dq-faq-question {
            width: 100%;
            background: none;
            border: none;
            padding: 18px 22px;
            font-weight: 600;
            font-size: 1rem;
            color: var(--dq-primary);
            text-align: left;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            transition: var(--dq-transition);
        }

        .dq-faq-question:hover {
            color: var(--dq-accent);
            background: rgba(0, 180, 160, 0.02);
        }

        .dq-faq-question .faq-arrow {
            transition: transform 0.3s ease;
            color: var(--dq-text-muted);
            flex-shrink: 0;
        }

        .dq-faq-item.open .dq-faq-question .faq-arrow {
            transform: rotate(180deg);
            color: var(--dq-accent);
        }

        .dq-faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 22px;
        }

        .dq-faq-item.open .dq-faq-answer {
            max-height: 300px;
            padding: 0 22px 18px;
        }

        .dq-faq-answer p {
            font-size: 0.9rem;
            color: var(--dq-text-secondary);
            line-height: 1.7;
            margin: 0;
        }

        /* ========== CTA Section ========== */
        .dq-cta-section {
            padding: 70px 0;
            background: linear-gradient(160deg, #0d1b2a 0%, #152238 100%);
            position: relative;
            overflow: hidden;
        }

        .dq-cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.1;
            z-index: 0;
        }

        .dq-cta-section .dq-container {
            position: relative;
            z-index: 1;
            text-align: center;
        }

        .dq-cta-section h2 {
            font-family: var(--dq-font-heading);
            font-size: 2.2rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: -0.02em;
        }

        .dq-cta-section p {
            color: rgba(255, 255, 255, 0.8);
            font-size: 1.05rem;
            max-width: 600px;
            margin: 0 auto 28px;
            line-height: 1.65;
        }

        .dq-cta-form {
            display: flex;
            gap: 10px;
            max-width: 500px;
            margin: 0 auto;
            flex-wrap: wrap;
            justify-content: center;
        }

        .dq-cta-form input {
            flex: 1;
            min-width: 220px;
            padding: 14px 20px;
            border-radius: 28px;
            border: 2px solid rgba(255, 255, 255, 0.25);
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
            font-size: 0.95rem;
            outline: none;
            transition: var(--dq-transition);
        }

        .dq-cta-form input::placeholder {
            color: rgba(255, 255, 255, 0.5);
        }

        .dq-cta-form input:focus {
            border-color: var(--dq-accent);
            background: rgba(255, 255, 255, 0.14);
            box-shadow: 0 0 0 4px rgba(0, 180, 160, 0.15);
        }

        .dq-cta-form .dq-btn-warm {
            flex-shrink: 0;
            padding: 14px 28px;
            border-radius: 28px;
            font-size: 0.95rem;
        }

        @media (max-width: 520px) {
            .dq-cta-section h2 {
                font-size: 1.5rem;
            }
            .dq-cta-form {
                flex-direction: column;
                align-items: center;
            }
            .dq-cta-form input {
                width: 100%;
            }
            .dq-cta-form .dq-btn-warm {
                width: 100%;
                justify-content: center;
            }
        }

        /* ========== FOOTER ========== */
        .dq-footer {
            background: var(--dq-primary);
            color: rgba(255, 255, 255, 0.75);
            padding: 50px 0 30px;
            font-size: 0.9rem;
        }

        .dq-footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 32px;
        }

        .dq-footer-brand {
            font-family: var(--dq-font-heading);
            font-size: 1.4rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
        }

        .dq-footer-desc {
            font-size: 0.85rem;
            line-height: 1.6;
            color: rgba(255, 255, 255, 0.6);
            max-width: 320px;
        }

        .dq-footer h5 {
            font-weight: 700;
            font-size: 0.9rem;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 0.03em;
        }

        .dq-footer ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .dq-footer ul li {
            margin-bottom: 7px;
        }

        .dq-footer ul li a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.85rem;
            transition: var(--dq-transition);
        }

        .dq-footer ul li a:hover {
            color: var(--dq-accent);
        }

        .dq-footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 22px;
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.45);
            align-items: center;
        }

        .dq-footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
        }

        .dq-footer-bottom a:hover {
            color: var(--dq-accent);
        }

        @media (max-width: 768px) {
            .dq-footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .dq-footer-desc {
                max-width: 100%;
            }
        }

        @media (max-width: 500px) {
            .dq-footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .dq-footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
        }

        /* ========== 通用间距 ========== */
        .dq-section-header {
            text-align: center;
            margin-bottom: 16px;
        }

        .dq-section-header.left {
            text-align: left;
        }

        @media (max-width: 768px) {
            .dq-section-header {
                text-align: left;
            }
        }

/* roulang page: category5 */
:root {
            --dq-primary: #0d1b2a;
            --dq-primary-light: #1b2d45;
            --dq-accent: #00b4a0;
            --dq-accent-hover: #009d8b;
            --dq-warm: #f77f00;
            --dq-warm-hover: #e06e00;
            --dq-bg: #f8f9fb;
            --dq-bg-alt: #f0f2f5;
            --dq-surface: #ffffff;
            --dq-text: #1a1a2e;
            --dq-text-secondary: #5a5d6e;
            --dq-text-muted: #8a8d99;
            --dq-border: #e2e5ea;
            --dq-border-light: #eef0f4;
            --dq-radius-sm: 8px;
            --dq-radius: 14px;
            --dq-radius-lg: 20px;
            --dq-radius-xl: 28px;
            --dq-shadow-sm: 0 1px 3px rgba(13, 27, 42, 0.06);
            --dq-shadow: 0 4px 16px rgba(13, 27, 42, 0.08);
            --dq-shadow-md: 0 8px 28px rgba(13, 27, 42, 0.1);
            --dq-shadow-lg: 0 16px 48px rgba(13, 27, 42, 0.12);
            --dq-shadow-xl: 0 24px 64px rgba(13, 27, 42, 0.16);
            --dq-transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --dq-font-heading: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
            --dq-font-body: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
            --dq-nav-height: 68px;
            --dq-container-max: 1200px;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--dq-font-body);
            line-height: 1.7;
            color: var(--dq-text);
            background-color: var(--dq-bg);
            overflow-x: hidden;
            min-height: 100vh;
        }

        a {
            text-decoration: none;
            transition: var(--dq-transition);
            color: inherit;
        }

        a:hover {
            color: var(--dq-accent);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button {
            cursor: pointer;
            font-family: inherit;
            transition: var(--dq-transition);
        }

        .dq-container {
            max-width: var(--dq-container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ========== HEADER & NAV ========== */
        .dq-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--dq-border-light);
            box-shadow: var(--dq-shadow-sm);
            height: var(--dq-nav-height);
            display: flex;
            align-items: center;
            transition: var(--dq-transition);
        }

        .dq-header .dq-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }

        .dq-logo {
            font-family: var(--dq-font-heading);
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--dq-primary);
            display: flex;
            align-items: center;
            gap: 10px;
            white-space: nowrap;
            letter-spacing: -0.02em;
        }

        .dq-logo .logo-icon {
            width: 42px;
            height: 42px;
            border-radius: var(--dq-radius-sm);
            background: linear-gradient(135deg, var(--dq-accent) 0%, #008f7e 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.3rem;
            font-weight: 700;
            flex-shrink: 0;
        }

        .dq-nav-list {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }

        .dq-nav-list a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 15px;
            border-radius: 24px;
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--dq-text-secondary);
            white-space: nowrap;
            position: relative;
            transition: var(--dq-transition);
            letter-spacing: 0.01em;
        }

        .dq-nav-list a:hover {
            color: var(--dq-primary);
            background: rgba(0, 180, 160, 0.06);
        }

        .dq-nav-list a.active {
            color: var(--dq-accent);
            background: rgba(0, 180, 160, 0.1);
            font-weight: 600;
        }

        .dq-nav-chip {
            display: inline-block;
            font-size: 0.7rem;
            padding: 3px 9px;
            border-radius: 20px;
            font-weight: 600;
            letter-spacing: 0.03em;
            line-height: 1;
            pointer-events: none;
            white-space: nowrap;
        }

        .chip-live {
            background: #ff4757;
            color: #fff;
            animation: chipPulse 2s ease-in-out infinite;
        }

        .chip-warmup {
            background: #ffa502;
            color: #fff;
        }

        .chip-replay {
            background: #7c8ca0;
            color: #fff;
        }

        .dq-nav-cta {
            background: var(--dq-accent) !important;
            color: #fff !important;
            padding: 9px 20px !important;
            border-radius: 24px !important;
            font-weight: 600 !important;
            letter-spacing: 0.02em;
        }

        .dq-nav-cta:hover {
            background: var(--dq-accent-hover) !important;
            color: #fff !important;
        }

        @keyframes chipPulse {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.7;
            }
        }

        /* Mobile nav toggle */
        .dq-nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--dq-text);
            padding: 8px;
            border-radius: var(--dq-radius-sm);
        }

        .dq-nav-toggle:hover {
            background: var(--dq-bg-alt);
        }

        /* ========== HERO SECTION ========== */
        .dq-hero {
            background: linear-gradient(160deg, #0d1b2a 0%, #162d45 35%, #1a3650 65%, #0f1f30 100%);
            color: #fff;
            padding: 60px 0 70px;
            position: relative;
            overflow: hidden;
        }

        .dq-hero::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -120px;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(0, 180, 160, 0.15) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .dq-hero::after {
            content: '';
            position: absolute;
            bottom: -60px;
            left: -80px;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(247, 127, 0, 0.1) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .dq-hero .dq-container {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
            position: relative;
            z-index: 1;
        }

        .dq-hero-left h1 {
            font-family: var(--dq-font-heading);
            font-size: 2.8rem;
            font-weight: 700;
            line-height: 1.25;
            margin-bottom: 18px;
            letter-spacing: -0.03em;
            color: #fff;
        }

        .dq-hero-left h1 span {
            color: var(--dq-accent);
        }

        .dq-hero-left .dq-hero-subtitle {
            font-size: 1.12rem;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 28px;
            line-height: 1.6;
            max-width: 480px;
        }

        .dq-hero-btns {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        .dq-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 26px;
            border-radius: 28px;
            font-weight: 600;
            font-size: 0.95rem;
            letter-spacing: 0.02em;
            border: none;
            transition: var(--dq-transition);
            white-space: nowrap;
        }

        .dq-btn-primary {
            background: var(--dq-accent);
            color: #fff;
        }

        .dq-btn-primary:hover {
            background: var(--dq-accent-hover);
            transform: translateY(-2px);
            box-shadow: var(--dq-shadow-md);
            color: #fff;
        }

        .dq-btn-outline {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.4);
        }

        .dq-btn-outline:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
        }

        .dq-hero-right {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--dq-radius-lg);
            padding: 28px 24px;
            backdrop-filter: blur(8px);
        }

        .dq-hero-right .dq-faux-title {
            font-size: 0.85rem;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 16px;
            font-weight: 600;
        }

        .dq-faux-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .dq-faux-list li {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 11px 14px;
            border-radius: var(--dq-radius-sm);
            margin-bottom: 6px;
            background: rgba(255, 255, 255, 0.04);
            transition: var(--dq-transition);
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.9);
        }

        .dq-faux-list li:hover {
            background: rgba(255, 255, 255, 0.1);
        }

        .dq-faux-list .faux-rank {
            font-weight: 700;
            color: var(--dq-accent);
            font-size: 1rem;
            min-width: 32px;
        }

        .dq-faux-list .faux-name {
            flex: 1;
            margin: 0 12px;
        }

        .dq-faux-list .faux-count {
            font-weight: 600;
            color: var(--dq-warm);
            font-size: 0.85rem;
        }

        /* ========== SECTION COMMONS ========== */
        .dq-section {
            padding: 60px 0;
        }

        .dq-section-alt {
            background: var(--dq-bg-alt);
        }

        .dq-section-dark {
            background: var(--dq-primary);
            color: #fff;
        }

        .dq-section-header {
            text-align: center;
            margin-bottom: 44px;
        }

        .dq-section-header h2 {
            font-family: var(--dq-font-heading);
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 10px;
            letter-spacing: -0.02em;
        }

        .dq-section-header p {
            color: var(--dq-text-secondary);
            font-size: 1.05rem;
            max-width: 600px;
            margin: 0 auto;
        }

        .dq-section-dark .dq-section-header p {
            color: rgba(255, 255, 255, 0.7);
        }

        .dq-section-dark .dq-section-header h2 {
            color: #fff;
        }

        /* ========== METRICS DASHBOARD ========== */
        .dq-metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .dq-metric-card {
            background: var(--dq-surface);
            border-radius: var(--dq-radius-lg);
            padding: 28px 22px;
            text-align: center;
            box-shadow: var(--dq-shadow);
            border: 1px solid var(--dq-border-light);
            transition: var(--dq-transition);
            position: relative;
            overflow: hidden;
        }

        .dq-metric-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--dq-accent), var(--dq-warm));
            border-radius: var(--dq-radius-lg) var(--dq-radius-lg) 0 0;
        }

        .dq-metric-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--dq-shadow-lg);
        }

        .dq-metric-card .metric-icon {
            font-size: 2rem;
            color: var(--dq-accent);
            margin-bottom: 12px;
        }

        .dq-metric-card .metric-value {
            font-family: var(--dq-font-heading);
            font-size: 2.4rem;
            font-weight: 700;
            color: var(--dq-primary);
            margin-bottom: 4px;
        }

        .dq-metric-card .metric-label {
            font-size: 0.9rem;
            color: var(--dq-text-secondary);
            font-weight: 500;
        }

        .dq-metric-card .metric-change {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 14px;
            margin-top: 8px;
        }

        .metric-up {
            background: #e6f9f6;
            color: #008f7e;
        }

        .metric-stable {
            background: #fff8e6;
            color: #c78500;
        }

        /* ========== SERVICE MATRIX ========== */
        .dq-service-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 22px;
        }

        .dq-service-card {
            background: var(--dq-surface);
            border-radius: var(--dq-radius-lg);
            padding: 30px 24px;
            box-shadow: var(--dq-shadow);
            border: 1px solid var(--dq-border-light);
            transition: var(--dq-transition);
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .dq-service-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--dq-shadow-lg);
            border-color: var(--dq-accent);
        }

        .dq-service-card .service-icon-wrap {
            width: 52px;
            height: 52px;
            border-radius: var(--dq-radius);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            flex-shrink: 0;
        }

        .icon-accent {
            background: rgba(0, 180, 160, 0.12);
            color: var(--dq-accent);
        }

        .icon-warm {
            background: rgba(247, 127, 0, 0.12);
            color: var(--dq-warm);
        }

        .icon-primary {
            background: rgba(13, 27, 42, 0.08);
            color: var(--dq-primary);
        }

        .dq-service-card h4 {
            font-family: var(--dq-font-heading);
            font-size: 1.15rem;
            font-weight: 700;
            margin: 0;
            color: var(--dq-text);
        }

        .dq-service-card p {
            color: var(--dq-text-secondary);
            font-size: 0.92rem;
            margin: 0;
            line-height: 1.6;
            flex: 1;
        }

        .dq-service-card .service-link {
            font-weight: 600;
            color: var(--dq-accent);
            font-size: 0.9rem;
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

        .dq-service-card .service-link:hover {
            color: var(--dq-accent-hover);
            gap: 8px;
        }

        /* ========== COMPARISON TABLE ========== */
        .dq-compare-wrapper {
            background: var(--dq-surface);
            border-radius: var(--dq-radius-xl);
            overflow: hidden;
            box-shadow: var(--dq-shadow-md);
            border: 1px solid var(--dq-border-light);
        }

        .dq-compare-table {
            width: 100%;
            border-collapse: collapse;
        }

        .dq-compare-table th,
        .dq-compare-table td {
            padding: 16px 20px;
            text-align: left;
            border-bottom: 1px solid var(--dq-border-light);
        }

        .dq-compare-table thead th {
            background: var(--dq-primary);
            color: #fff;
            font-weight: 600;
            font-size: 0.95rem;
            letter-spacing: 0.02em;
        }

        .dq-compare-table thead th:first-child {
            border-radius: 0;
        }

        .dq-compare-table tbody tr:hover {
            background: rgba(0, 180, 160, 0.04);
        }

        .dq-compare-table tbody td {
            font-size: 0.92rem;
            color: var(--dq-text-secondary);
        }

        .dq-compare-table .check-icon {
            color: var(--dq-accent);
            font-weight: 700;
        }

        .dq-compare-table .dash-icon {
            color: var(--dq-text-muted);
        }

        .dq-compare-table .highlight-row {
            background: rgba(0, 180, 160, 0.06);
            font-weight: 600;
        }

        .dq-compare-table .highlight-row td {
            color: var(--dq-text);
        }

        /* ========== TOPICS GRID ========== */
        .dq-topics-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .dq-topic-card {
            background: var(--dq-surface);
            border-radius: var(--dq-radius-lg);
            overflow: hidden;
            box-shadow: var(--dq-shadow);
            border: 1px solid var(--dq-border-light);
            transition: var(--dq-transition);
        }

        .dq-topic-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--dq-shadow-lg);
        }

        .dq-topic-card img {
            width: 100%;
            height: 180px;
            object-fit: cover;
        }

        .dq-topic-card .topic-body {
            padding: 18px 20px;
        }

        .dq-topic-card .topic-tag {
            display: inline-block;
            font-size: 0.72rem;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 14px;
            background: rgba(0, 180, 160, 0.1);
            color: var(--dq-accent);
            margin-bottom: 8px;
            letter-spacing: 0.03em;
        }

        .dq-topic-card h4 {
            font-family: var(--dq-font-heading);
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--dq-text);
        }

        .dq-topic-card p {
            font-size: 0.88rem;
            color: var(--dq-text-secondary);
            margin: 0;
            line-height: 1.5;
        }

        .dq-topic-card .topic-meta {
            display: flex;
            gap: 14px;
            font-size: 0.78rem;
            color: var(--dq-text-muted);
            margin-top: 10px;
        }

        /* ========== ACTIVITY TIMELINE ========== */
        .dq-timeline {
            position: relative;
            padding-left: 32px;
        }

        .dq-timeline::before {
            content: '';
            position: absolute;
            left: 12px;
            top: 0;
            bottom: 0;
            width: 3px;
            background: linear-gradient(to bottom, var(--dq-accent), var(--dq-warm));
            border-radius: 2px;
        }

        .dq-timeline-item {
            position: relative;
            margin-bottom: 28px;
            padding-left: 28px;
        }

        .dq-timeline-item::before {
            content: '';
            position: absolute;
            left: -24px;
            top: 6px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: var(--dq-accent);
            border: 3px solid #fff;
            box-shadow: var(--dq-shadow-sm);
            z-index: 2;
        }

        .dq-timeline-item .timeline-date {
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--dq-accent);
            letter-spacing: 0.03em;
            margin-bottom: 4px;
        }

        .dq-timeline-item h4 {
            font-family: var(--dq-font-heading);
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 4px;
        }

        .dq-timeline-item p {
            color: var(--dq-text-secondary);
            font-size: 0.9rem;
            margin: 0;
        }

        /* ========== FAQ ========== */
        .dq-faq-list {
            max-width: 780px;
            margin: 0 auto;
        }

        .dq-faq-item {
            background: var(--dq-surface);
            border-radius: var(--dq-radius);
            margin-bottom: 12px;
            border: 1px solid var(--dq-border-light);
            overflow: hidden;
            transition: var(--dq-transition);
        }

        .dq-faq-item:hover {
            box-shadow: var(--dq-shadow);
        }

        .dq-faq-question {
            width: 100%;
            text-align: left;
            padding: 18px 22px;
            background: none;
            border: none;
            font-weight: 600;
            font-size: 1rem;
            color: var(--dq-text);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            cursor: pointer;
            font-family: var(--dq-font-body);
            letter-spacing: 0.01em;
        }

        .dq-faq-question .faq-icon {
            font-size: 0.9rem;
            color: var(--dq-accent);
            transition: var(--dq-transition);
            flex-shrink: 0;
        }

        .dq-faq-answer {
            padding: 0 22px 18px;
            color: var(--dq-text-secondary);
            font-size: 0.92rem;
            line-height: 1.7;
            display: none;
        }

        .dq-faq-item.open .dq-faq-answer {
            display: block;
        }

        .dq-faq-item.open .dq-faq-question .faq-icon {
            transform: rotate(180deg);
        }

        .dq-faq-item.open {
            border-color: var(--dq-accent);
            box-shadow: var(--dq-shadow);
        }

        /* ========== CTA SECTION ========== */
        .dq-cta-section {
            background: linear-gradient(160deg, #0d1b2a 0%, #1b2d45 100%);
            color: #fff;
            padding: 60px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .dq-cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -80px;
            width: 350px;
            height: 350px;
            background: radial-gradient(circle, rgba(0, 180, 160, 0.2) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .dq-cta-section .dq-container {
            position: relative;
            z-index: 1;
        }

        .dq-cta-section h2 {
            font-family: var(--dq-font-heading);
            font-size: 2.2rem;
            font-weight: 700;
            margin-bottom: 12px;
            letter-spacing: -0.02em;
        }

        .dq-cta-section p {
            color: rgba(255, 255, 255, 0.8);
            font-size: 1.05rem;
            margin-bottom: 28px;
            max-width: 550px;
            margin-left: auto;
            margin-right: auto;
        }

        .dq-cta-form {
            display: flex;
            gap: 10px;
            max-width: 500px;
            margin: 0 auto;
            flex-wrap: wrap;
            justify-content: center;
        }

        .dq-cta-form input {
            flex: 1;
            min-width: 220px;
            padding: 14px 18px;
            border-radius: 28px;
            border: 2px solid rgba(255, 255, 255, 0.3);
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
            font-size: 0.95rem;
            font-family: var(--dq-font-body);
            transition: var(--dq-transition);
            outline: none;
        }

        .dq-cta-form input::placeholder {
            color: rgba(255, 255, 255, 0.5);
        }

        .dq-cta-form input:focus {
            border-color: var(--dq-accent);
            background: rgba(255, 255, 255, 0.14);
            box-shadow: 0 0 0 4px rgba(0, 180, 160, 0.15);
        }

        .dq-cta-form .dq-btn-primary {
            padding: 14px 28px;
            font-size: 0.95rem;
            border-radius: 28px;
        }

        /* ========== FOOTER ========== */
        .dq-footer {
            background: var(--dq-primary);
            color: rgba(255, 255, 255, 0.8);
            padding: 48px 0 24px;
            font-size: 0.9rem;
        }

        .dq-footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 32px;
        }

        .dq-footer-brand {
            font-family: var(--dq-font-heading);
            font-size: 1.5rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
            letter-spacing: -0.02em;
        }

        .dq-footer-desc {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.88rem;
            line-height: 1.6;
        }

        .dq-footer h5 {
            color: #fff;
            font-weight: 600;
            font-size: 0.95rem;
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }

        .dq-footer ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .dq-footer ul li {
            margin-bottom: 8px;
        }

        .dq-footer ul li a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.88rem;
            transition: var(--dq-transition);
        }

        .dq-footer ul li a:hover {
            color: var(--dq-accent);
        }

        .dq-footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 18px;
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.5);
            justify-content: center;
            text-align: center;
        }

        .dq-footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
        }

        .dq-footer-bottom a:hover {
            color: var(--dq-accent);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .dq-hero .dq-container {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .dq-hero-left h1 {
                font-size: 2.2rem;
            }
            .dq-hero-right {
                max-width: 500px;
            }
            .dq-metrics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .dq-service-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .dq-topics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .dq-footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }

        @media (max-width: 768px) {
            .dq-nav-list {
                display: none;
                position: absolute;
                top: var(--dq-nav-height);
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                padding: 16px;
                gap: 4px;
                box-shadow: var(--dq-shadow-lg);
                border-bottom: 1px solid var(--dq-border-light);
                z-index: 1040;
            }
            .dq-nav-list.show {
                display: flex;
            }
            .dq-nav-list a {
                width: 100%;
                justify-content: flex-start;
                padding: 12px 16px;
                border-radius: var(--dq-radius-sm);
            }
            .dq-nav-toggle {
                display: block;
            }
            .dq-hero {
                padding: 40px 0 50px;
            }
            .dq-hero-left h1 {
                font-size: 1.8rem;
            }
            .dq-hero-left .dq-hero-subtitle {
                font-size: 0.95rem;
            }
            .dq-metrics-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .dq-metric-card {
                padding: 20px 14px;
            }
            .dq-metric-card .metric-value {
                font-size: 1.8rem;
            }
            .dq-service-grid {
                grid-template-columns: 1fr;
            }
            .dq-topics-grid {
                grid-template-columns: 1fr;
            }
            .dq-compare-table th,
            .dq-compare-table td {
                padding: 10px 12px;
                font-size: 0.8rem;
            }
            .dq-section {
                padding: 40px 0;
            }
            .dq-section-header h2 {
                font-size: 1.6rem;
            }
            .dq-cta-section h2 {
                font-size: 1.6rem;
            }
            .dq-footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .dq-footer-bottom {
                flex-direction: column;
                gap: 8px;
                text-align: center;
            }
            .dq-container {
                padding: 0 16px;
            }
            .dq-hero-right {
                padding: 20px 16px;
            }
            .dq-timeline {
                padding-left: 22px;
            }
            .dq-timeline-item {
                padding-left: 20px;
            }
            .dq-timeline-item::before {
                left: -18px;
                width: 11px;
                height: 11px;
            }
        }

        @media (max-width: 520px) {
            .dq-hero-left h1 {
                font-size: 1.5rem;
            }
            .dq-metrics-grid {
                grid-template-columns: 1fr;
            }
            .dq-hero-btns {
                flex-direction: column;
                gap: 10px;
            }
            .dq-btn {
                width: 100%;
                justify-content: center;
            }
            .dq-cta-form {
                flex-direction: column;
            }
            .dq-cta-form input {
                min-width: auto;
            }
            .dq-cta-form .dq-btn-primary {
                width: 100%;
                justify-content: center;
            }
            .dq-compare-table {
                font-size: 0.75rem;
            }
            .dq-compare-table th,
            .dq-compare-table td {
                padding: 8px 10px;
            }
        }

/* roulang page: category4 */
:root {
            --dq-primary: #0d1b2a;
            --dq-primary-light: #1b2d45;
            --dq-accent: #00b4a0;
            --dq-accent-hover: #009d8b;
            --dq-warm: #f77f00;
            --dq-warm-hover: #e06e00;
            --dq-bg: #f8f9fb;
            --dq-bg-alt: #f0f2f5;
            --dq-surface: #ffffff;
            --dq-text: #1a1a2e;
            --dq-text-secondary: #5a5d6e;
            --dq-text-muted: #8a8d99;
            --dq-border: #e2e5ea;
            --dq-border-light: #eef0f4;
            --dq-radius-sm: 8px;
            --dq-radius: 14px;
            --dq-radius-lg: 20px;
            --dq-radius-xl: 28px;
            --dq-shadow-sm: 0 1px 3px rgba(13, 27, 42, 0.06);
            --dq-shadow: 0 4px 16px rgba(13, 27, 42, 0.08);
            --dq-shadow-md: 0 8px 28px rgba(13, 27, 42, 0.1);
            --dq-shadow-lg: 0 16px 48px rgba(13, 27, 42, 0.12);
            --dq-shadow-xl: 0 24px 64px rgba(13, 27, 42, 0.16);
            --dq-transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --dq-font-heading: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
            --dq-font-body: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
            --dq-nav-height: 68px;
            --dq-container-max: 1200px;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--dq-font-body);
            line-height: 1.7;
            color: var(--dq-text);
            background-color: var(--dq-bg);
            overflow-x: hidden;
            min-height: 100vh;
        }

        a {
            text-decoration: none;
            transition: var(--dq-transition);
            color: inherit;
        }

        a:hover {
            color: var(--dq-accent);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button {
            cursor: pointer;
            font-family: inherit;
            transition: var(--dq-transition);
        }

        .dq-container {
            max-width: var(--dq-container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        @media (max-width: 768px) {
            .dq-container {
                padding: 0 16px;
            }
        }

        /* ========== HEADER & NAV ========== */
        .dq-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--dq-border-light);
            box-shadow: var(--dq-shadow-sm);
            height: var(--dq-nav-height);
            display: flex;
            align-items: center;
            transition: var(--dq-transition);
        }

        .dq-header .dq-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }

        .dq-logo {
            font-family: var(--dq-font-heading);
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--dq-primary);
            display: flex;
            align-items: center;
            gap: 10px;
            white-space: nowrap;
            letter-spacing: -0.02em;
            flex-shrink: 0;
        }

        .dq-logo .logo-icon {
            width: 42px;
            height: 42px;
            border-radius: var(--dq-radius-sm);
            background: linear-gradient(135deg, var(--dq-accent) 0%, #008f7e 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.3rem;
            font-weight: 700;
            flex-shrink: 0;
        }

        .dq-nav-wrapper {
            display: flex;
            align-items: center;
        }

        .dq-nav-list {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: wrap;
            margin: 0;
            padding: 0;
            list-style: none;
        }

        .dq-nav-list li {
            list-style: none;
        }

        .dq-nav-list a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 14px;
            border-radius: 24px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--dq-text-secondary);
            white-space: nowrap;
            position: relative;
            transition: var(--dq-transition);
            letter-spacing: 0.01em;
        }

        .dq-nav-list a:hover {
            color: var(--dq-primary);
            background: rgba(0, 180, 160, 0.06);
        }

        .dq-nav-list a.active {
            color: var(--dq-accent);
            background: rgba(0, 180, 160, 0.1);
            font-weight: 600;
        }

        .dq-nav-chip {
            display: inline-block;
            font-size: 0.68rem;
            padding: 3px 8px;
            border-radius: 20px;
            font-weight: 600;
            letter-spacing: 0.03em;
            line-height: 1;
            pointer-events: none;
            white-space: nowrap;
        }

        .chip-live {
            background: #ff4757;
            color: #fff;
            animation: chipPulse 2s ease-in-out infinite;
        }

        .chip-warmup {
            background: #ffa502;
            color: #fff;
        }

        .chip-replay {
            background: #7c8ca0;
            color: #fff;
        }

        @keyframes chipPulse {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.7;
            }
        }

        .dq-nav-cta {
            background: var(--dq-accent) !important;
            color: #fff !important;
            padding: 9px 20px !important;
            border-radius: 24px !important;
            font-weight: 600 !important;
            letter-spacing: 0.02em;
        }

        .dq-nav-cta:hover {
            background: var(--dq-accent-hover) !important;
            color: #fff !important;
            box-shadow: var(--dq-shadow-md);
        }

        .dq-nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--dq-primary);
            padding: 8px;
            border-radius: var(--dq-radius-sm);
        }

        @media (max-width: 1024px) {
            .dq-nav-wrapper {
                position: fixed;
                top: var(--dq-nav-height);
                left: 0;
                right: 0;
                background: rgba(255, 255, 255, 0.98);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                border-bottom: 1px solid var(--dq-border);
                box-shadow: var(--dq-shadow-lg);
                padding: 16px 20px;
                flex-direction: column;
                display: none;
                z-index: 1049;
                max-height: 70vh;
                overflow-y: auto;
            }
            .dq-nav-wrapper.open {
                display: flex;
            }
            .dq-nav-list {
                flex-direction: column;
                gap: 4px;
                width: 100%;
            }
            .dq-nav-list a {
                width: 100%;
                padding: 12px 16px;
                border-radius: var(--dq-radius);
                font-size: 0.95rem;
                justify-content: flex-start;
            }
            .dq-nav-toggle {
                display: block;
            }
            .dq-nav-cta {
                text-align: center;
                justify-content: center;
                margin-top: 4px;
            }
        }

        @media (max-width: 520px) {
            .dq-logo {
                font-size: 1.25rem;
            }
            .dq-logo .logo-icon {
                width: 34px;
                height: 34px;
                font-size: 1.1rem;
            }
            .dq-nav-list a {
                font-size: 0.88rem;
                padding: 10px 14px;
            }
        }

        /* ========== HERO ========== */
        .dq-hero {
            position: relative;
            background: linear-gradient(170deg, #0d1b2a 0%, #132238 40%, #0f1f30 100%);
            color: #fff;
            padding: 80px 0 70px;
            overflow: hidden;
            min-height: 520px;
            display: flex;
            align-items: center;
        }

        .dq-hero::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -120px;
            width: 500px;
            height: 500px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(0, 180, 160, 0.18) 0%, transparent 70%);
            pointer-events: none;
        }

        .dq-hero::after {
            content: '';
            position: absolute;
            bottom: -80px;
            left: -80px;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(247, 127, 0, 0.13) 0%, transparent 70%);
            pointer-events: none;
        }

        .dq-hero .dq-container {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .dq-hero-content h1 {
            font-family: var(--dq-font-heading);
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 18px;
            letter-spacing: -0.02em;
            color: #fff;
        }

        .dq-hero-content h1 .highlight {
            color: var(--dq-accent);
            position: relative;
            display: inline-block;
        }

        .dq-hero-content h1 .highlight::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 0;
            right: 0;
            height: 8px;
            background: rgba(0, 180, 160, 0.3);
            border-radius: 4px;
            z-index: -1;
        }

        .dq-hero-content .hero-subtitle {
            font-size: 1.15rem;
            color: #c5cdd8;
            margin-bottom: 24px;
            line-height: 1.7;
            max-width: 480px;
        }

        .dq-hero-features {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-bottom: 28px;
        }

        .dq-hero-feature-chip {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.14);
            padding: 8px 16px;
            border-radius: 24px;
            font-size: 0.88rem;
            font-weight: 500;
            color: #e0e6ed;
            white-space: nowrap;
        }

        .dq-hero-feature-chip i {
            color: var(--dq-accent);
            font-size: 0.85rem;
        }

        .dq-hero-card {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--dq-radius-lg);
            padding: 32px 28px;
            backdrop-filter: blur(6px);
            -webkit-backdrop-filter: blur(6px);
            box-shadow: var(--dq-shadow-xl);
        }

        .dq-hero-card h3 {
            font-family: var(--dq-font-heading);
            font-size: 1.35rem;
            font-weight: 700;
            margin-bottom: 6px;
            color: #fff;
        }

        .dq-hero-card .card-subtitle {
            font-size: 0.9rem;
            color: #a0aab5;
            margin-bottom: 20px;
        }

        .dq-hero-card .form-label {
            font-size: 0.85rem;
            font-weight: 600;
            color: #d0d7e0;
            margin-bottom: 6px;
            display: block;
        }

        .dq-hero-card .form-select,
        .dq-hero-card .form-control {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: #fff;
            border-radius: var(--dq-radius-sm);
            padding: 10px 14px;
            font-size: 0.9rem;
            transition: var(--dq-transition);
        }

        .dq-hero-card .form-select:focus,
        .dq-hero-card .form-control:focus {
            border-color: var(--dq-accent);
            box-shadow: 0 0 0 3px rgba(0, 180, 160, 0.2);
            background: rgba(255, 255, 255, 0.12);
            outline: none;
            color: #fff;
        }

        .dq-hero-card .form-select option {
            background: #1b2d45;
            color: #fff;
        }

        .dq-time-slots {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 18px;
        }

        .dq-time-slot {
            padding: 9px 16px;
            border-radius: 22px;
            border: 1px solid rgba(255, 255, 255, 0.25);
            background: rgba(255, 255, 255, 0.04);
            color: #d0d7e0;
            font-size: 0.85rem;
            font-weight: 500;
            cursor: pointer;
            transition: var(--dq-transition);
            white-space: nowrap;
        }

        .dq-time-slot:hover {
            background: rgba(0, 180, 160, 0.2);
            border-color: var(--dq-accent);
            color: #fff;
        }

        .dq-time-slot.selected {
            background: var(--dq-accent);
            border-color: var(--dq-accent);
            color: #fff;
            font-weight: 600;
        }

        .dq-btn-hero {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--dq-accent);
            color: #fff;
            padding: 13px 28px;
            border-radius: 28px;
            font-weight: 600;
            font-size: 1rem;
            border: none;
            letter-spacing: 0.02em;
            transition: var(--dq-transition);
            box-shadow: 0 6px 20px rgba(0, 180, 160, 0.35);
            width: 100%;
            justify-content: center;
            text-align: center;
        }

        .dq-btn-hero:hover {
            background: var(--dq-accent-hover);
            box-shadow: 0 8px 28px rgba(0, 180, 160, 0.45);
            transform: translateY(-2px);
            color: #fff;
        }

        @media (max-width: 992px) {
            .dq-hero .dq-container {
                grid-template-columns: 1fr;
                gap: 36px;
            }
            .dq-hero-content h1 {
                font-size: 2.2rem;
            }
            .dq-hero {
                padding: 50px 0 50px;
                min-height: auto;
            }
            .dq-hero-card {
                max-width: 480px;
            }
        }

        @media (max-width: 520px) {
            .dq-hero-content h1 {
                font-size: 1.7rem;
            }
            .dq-hero-content .hero-subtitle {
                font-size: 1rem;
            }
            .dq-hero {
                padding: 36px 0 40px;
            }
            .dq-hero-card {
                padding: 24px 18px;
            }
            .dq-time-slot {
                padding: 7px 12px;
                font-size: 0.8rem;
            }
        }

        /* ========== SECTION COMMON ========== */
        .dq-section {
            padding: 70px 0;
        }

        .dq-section-alt {
            background: var(--dq-bg-alt);
        }

        .dq-section-header {
            text-align: center;
            margin-bottom: 48px;
        }

        .dq-section-header h2 {
            font-family: var(--dq-font-heading);
            font-size: 2rem;
            font-weight: 700;
            color: var(--dq-primary);
            margin-bottom: 10px;
            letter-spacing: -0.01em;
        }

        .dq-section-header p {
            font-size: 1.05rem;
            color: var(--dq-text-secondary);
            max-width: 600px;
            margin: 0 auto;
        }

        @media (max-width: 768px) {
            .dq-section {
                padding: 48px 0;
            }
            .dq-section-header h2 {
                font-size: 1.6rem;
            }
            .dq-section-header {
                margin-bottom: 32px;
            }
        }

        /* ========== METRICS DASHBOARD ========== */
        .dq-metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .dq-metric-card {
            background: var(--dq-surface);
            border-radius: var(--dq-radius-lg);
            padding: 28px 24px;
            text-align: center;
            box-shadow: var(--dq-shadow);
            border: 1px solid var(--dq-border-light);
            transition: var(--dq-transition);
        }

        .dq-metric-card:hover {
            box-shadow: var(--dq-shadow-md);
            transform: translateY(-3px);
        }

        .dq-metric-icon {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: rgba(0, 180, 160, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
            font-size: 1.4rem;
            color: var(--dq-accent);
        }

        .dq-metric-number {
            font-family: var(--dq-font-heading);
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--dq-primary);
            line-height: 1;
            margin-bottom: 4px;
        }

        .dq-metric-label {
            font-size: 0.9rem;
            color: var(--dq-text-muted);
            font-weight: 500;
        }

        .dq-metric-trend {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            color: #10b981;
            margin-top: 6px;
        }

        @media (max-width: 992px) {
            .dq-metrics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 520px) {
            .dq-metrics-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .dq-metric-card {
                padding: 20px 14px;
            }
            .dq-metric-number {
                font-size: 1.8rem;
            }
        }

        /* ========== SERVICE MATRIX ========== */
        .dq-service-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .dq-service-card {
            background: var(--dq-surface);
            border-radius: var(--dq-radius-lg);
            overflow: hidden;
            box-shadow: var(--dq-shadow);
            border: 1px solid var(--dq-border-light);
            transition: var(--dq-transition);
            display: flex;
            flex-direction: column;
        }

        .dq-service-card:hover {
            box-shadow: var(--dq-shadow-lg);
            transform: translateY(-4px);
        }

        .dq-service-card-img {
            height: 200px;
            overflow: hidden;
            position: relative;
        }

        .dq-service-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .dq-service-card:hover .dq-service-card-img img {
            transform: scale(1.05);
        }

        .dq-service-card-body {
            padding: 22px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .dq-service-card-body h3 {
            font-family: var(--dq-font-heading);
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--dq-primary);
            margin-bottom: 8px;
        }

        .dq-service-card-body p {
            font-size: 0.92rem;
            color: var(--dq-text-secondary);
            line-height: 1.65;
            margin-bottom: 14px;
            flex: 1;
        }

        .dq-service-tag {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 14px;
            background: rgba(0, 180, 160, 0.08);
            color: var(--dq-accent);
            align-self: flex-start;
        }

        @media (max-width: 992px) {
            .dq-service-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 600px) {
            .dq-service-grid {
                grid-template-columns: 1fr;
            }
            .dq-service-card-img {
                height: 180px;
            }
        }

        /* ========== COMPARISON TABLE ========== */
        .dq-compare-wrapper {
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
        }

        .dq-compare-table {
            width: 100%;
            border-collapse: separate;
            border-spacing: 0;
            min-width: 700px;
            background: var(--dq-surface);
            border-radius: var(--dq-radius-lg);
            overflow: hidden;
            box-shadow: var(--dq-shadow);
            border: 1px solid var(--dq-border-light);
        }

        .dq-compare-table thead th {
            background: var(--dq-primary);
            color: #fff;
            padding: 16px 18px;
            font-weight: 600;
            font-size: 0.9rem;
            text-align: center;
            white-space: nowrap;
            letter-spacing: 0.02em;
        }

        .dq-compare-table thead th:first-child {
            text-align: left;
            border-radius: var(--dq-radius-lg) 0 0 0;
        }

        .dq-compare-table thead th:last-child {
            border-radius: 0 var(--dq-radius-lg) 0 0;
        }

        .dq-compare-table tbody td {
            padding: 14px 18px;
            text-align: center;
            font-size: 0.9rem;
            color: var(--dq-text);
            border-bottom: 1px solid var(--dq-border-light);
            vertical-align: middle;
        }

        .dq-compare-table tbody td:first-child {
            text-align: left;
            font-weight: 600;
            color: var(--dq-primary);
        }

        .dq-compare-table tbody tr:last-child td {
            border-bottom: none;
        }

        .dq-compare-table tbody tr:hover {
            background: rgba(0, 180, 160, 0.03);
        }

        .dq-compare-score {
            display: inline-block;
            font-weight: 700;
            color: var(--dq-accent);
            font-size: 1.1rem;
        }

        .dq-compare-star {
            color: #f59e0b;
            font-size: 0.85rem;
        }

        .dq-compare-badge {
            display: inline-block;
            padding: 4px 10px;
            border-radius: 14px;
            font-size: 0.78rem;
            font-weight: 600;
            background: rgba(247, 127, 0, 0.1);
            color: var(--dq-warm);
        }

        .dq-compare-badge.top {
            background: rgba(0, 180, 160, 0.1);
            color: var(--dq-accent);
        }

        /* ========== PROCESS STEPS ========== */
        .dq-steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            position: relative;
        }

        .dq-steps-grid::before {
            content: '';
            position: absolute;
            top: 36px;
            left: 12%;
            right: 12%;
            height: 2px;
            background: var(--dq-border);
            z-index: 0;
            display: none;
        }

        @media (min-width: 769px) {
            .dq-steps-grid::before {
                display: block;
            }
        }

        .dq-step-card {
            text-align: center;
            position: relative;
            z-index: 1;
            background: var(--dq-surface);
            border-radius: var(--dq-radius-lg);
            padding: 28px 18px;
            box-shadow: var(--dq-shadow);
            border: 1px solid var(--dq-border-light);
            transition: var(--dq-transition);
        }

        .dq-step-card:hover {
            box-shadow: var(--dq-shadow-md);
            transform: translateY(-2px);
        }

        .dq-step-number {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--dq-accent);
            color: #fff;
            font-weight: 700;
            font-size: 1.2rem;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
        }

        .dq-step-card h4 {
            font-family: var(--dq-font-heading);
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--dq-primary);
            margin-bottom: 6px;
        }

        .dq-step-card p {
            font-size: 0.85rem;
            color: var(--dq-text-muted);
            line-height: 1.5;
            margin: 0;
        }

        @media (max-width: 768px) {
            .dq-steps-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
        }

        @media (max-width: 480px) {
            .dq-steps-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== RECOMMENDED GEAR ========== */
        .dq-gear-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .dq-gear-card {
            background: var(--dq-surface);
            border-radius: var(--dq-radius-lg);
            overflow: hidden;
            box-shadow: var(--dq-shadow);
            border: 1px solid var(--dq-border-light);
            transition: var(--dq-transition);
            display: flex;
            flex-direction: column;
        }

        .dq-gear-card:hover {
            box-shadow: var(--dq-shadow-lg);
            transform: translateY(-4px);
        }

        .dq-gear-card-img {
            height: 180px;
            overflow: hidden;
            background: var(--dq-bg-alt);
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .dq-gear-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .dq-gear-card-body {
            padding: 18px 16px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .dq-gear-card-body h4 {
            font-family: var(--dq-font-heading);
            font-size: 1rem;
            font-weight: 700;
            color: var(--dq-primary);
            margin-bottom: 4px;
        }

        .dq-gear-card-body .gear-category {
            font-size: 0.78rem;
            color: var(--dq-text-muted);
            margin-bottom: 8px;
        }

        .dq-gear-rating {
            color: #f59e0b;
            font-size: 0.85rem;
            margin-bottom: 6px;
        }

        .dq-gear-rating span {
            color: var(--dq-text-muted);
            font-size: 0.78rem;
            margin-left: 4px;
        }

        .dq-gear-price {
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--dq-warm);
            margin-top: auto;
        }

        @media (max-width: 992px) {
            .dq-gear-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 520px) {
            .dq-gear-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .dq-gear-card-img {
                height: 140px;
            }
            .dq-gear-card-body {
                padding: 14px 12px;
            }
        }

        /* ========== TESTIMONIALS ========== */
        .dq-testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .dq-testimonial-card {
            background: var(--dq-surface);
            border-radius: var(--dq-radius-lg);
            padding: 24px 20px;
            box-shadow: var(--dq-shadow);
            border: 1px solid var(--dq-border-light);
            position: relative;
            transition: var(--dq-transition);
        }

        .dq-testimonial-card:hover {
            box-shadow: var(--dq-shadow-md);
        }

        .dq-testimonial-card .quote-icon {
            font-size: 2rem;
            color: rgba(0, 180, 160, 0.25);
            position: absolute;
            top: 16px;
            right: 20px;
        }

        .dq-testimonial-card p {
            font-size: 0.93rem;
            color: var(--dq-text-secondary);
            line-height: 1.7;
            margin-bottom: 16px;
            position: relative;
            z-index: 1;
        }

        .dq-testimonial-author {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .dq-testimonial-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--dq-primary-light);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.9rem;
            flex-shrink: 0;
        }

        .dq-testimonial-author strong {
            display: block;
            font-size: 0.9rem;
            color: var(--dq-primary);
        }

        .dq-testimonial-author span {
            font-size: 0.78rem;
            color: var(--dq-text-muted);
        }

        @media (max-width: 768px) {
            .dq-testimonial-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== FAQ ========== */
        .dq-faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .dq-faq-item {
            background: var(--dq-surface);
            border-radius: var(--dq-radius);
            margin-bottom: 12px;
            border: 1px solid var(--dq-border-light);
            overflow: hidden;
            transition: var(--dq-transition);
        }

        .dq-faq-item:hover {
            box-shadow: var(--dq-shadow);
        }

        .dq-faq-question {
            padding: 18px 22px;
            font-weight: 600;
            font-size: 1rem;
            color: var(--dq-primary);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            user-select: none;
            transition: var(--dq-transition);
        }

        .dq-faq-question:hover {
            color: var(--dq-accent);
        }

        .dq-faq-question .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(0, 180, 160, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            transition: var(--dq-transition);
            font-size: 0.8rem;
            color: var(--dq-accent);
        }

        .dq-faq-answer {
            padding: 0 22px 18px;
            font-size: 0.92rem;
            color: var(--dq-text-secondary);
            line-height: 1.7;
            display: none;
        }

        .dq-faq-item.open .dq-faq-answer {
            display: block;
        }

        .dq-faq-item.open .dq-faq-question .faq-icon {
            transform: rotate(45deg);
            background: var(--dq-accent);
            color: #fff;
        }

        /* ========== CTA SECTION ========== */
        .dq-cta-section {
            background: linear-gradient(160deg, #0d1b2a 0%, #132238 50%, #0f1f30 100%);
            color: #fff;
            padding: 70px 0;
            position: relative;
            overflow: hidden;
        }

        .dq-cta-section::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -100px;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(0, 180, 160, 0.2) 0%, transparent 70%);
            pointer-events: none;
        }

        .dq-cta-section .dq-container {
            position: relative;
            z-index: 2;
        }

        .dq-cta-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .dq-cta-info h2 {
            font-family: var(--dq-font-heading);
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }

        .dq-cta-info p {
            font-size: 1rem;
            color: #c5cdd8;
            line-height: 1.7;
            margin-bottom: 20px;
        }

        .dq-cta-benefits {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 20px;
        }

        .dq-cta-benefit-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.14);
            padding: 7px 14px;
            border-radius: 20px;
            font-size: 0.85rem;
            color: #e0e6ed;
        }

        .dq-cta-benefit-chip i {
            color: var(--dq-accent);
            font-size: 0.8rem;
        }

        .dq-cta-form {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--dq-radius-lg);
            padding: 28px 24px;
            backdrop-filter: blur(6px);
            -webkit-backdrop-filter: blur(6px);
        }

        .dq-cta-form h3 {
            font-family: var(--dq-font-heading);
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 16px;
            color: #fff;
        }

        .dq-cta-form .form-control {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: #fff;
            border-radius: var(--dq-radius-sm);
            padding: 10px 14px;
            font-size: 0.9rem;
            transition: var(--dq-transition);
        }

        .dq-cta-form .form-control:focus {
            border-color: var(--dq-accent);
            box-shadow: 0 0 0 3px rgba(0, 180, 160, 0.2);
            background: rgba(255, 255, 255, 0.12);
            outline: none;
            color: #fff;
        }

        .dq-cta-form .form-control::placeholder {
            color: rgba(255, 255, 255, 0.4);
        }

        .dq-btn-submit {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--dq-accent);
            color: #fff;
            padding: 12px 26px;
            border-radius: 26px;
            font-weight: 600;
            font-size: 0.95rem;
            border: none;
            letter-spacing: 0.02em;
            transition: var(--dq-transition);
            box-shadow: 0 6px 20px rgba(0, 180, 160, 0.35);
            width: 100%;
            justify-content: center;
            margin-top: 8px;
        }

        .dq-btn-submit:hover {
            background: var(--dq-accent-hover);
            box-shadow: 0 8px 28px rgba(0, 180, 160, 0.45);
            transform: translateY(-2px);
            color: #fff;
        }

        @media (max-width: 768px) {
            .dq-cta-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .dq-cta-info h2 {
                font-size: 1.6rem;
            }
        }

        /* ========== FOOTER ========== */
        .dq-footer {
            background: #0a1520;
            color: #c5cdd8;
            padding: 50px 0 24px;
            font-size: 0.9rem;
        }

        .dq-footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 32px;
        }

        .dq-footer-brand {
            font-family: var(--dq-font-heading);
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
        }

        .dq-footer-desc {
            font-size: 0.85rem;
            color: #8a8d99;
            line-height: 1.6;
        }

        .dq-footer h5 {
            font-family: var(--dq-font-heading);
            font-size: 0.95rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 12px;
        }

        .dq-footer ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .dq-footer ul li {
            margin-bottom: 7px;
        }

        .dq-footer ul li a {
            color: #8a8d99;
            font-size: 0.85rem;
            transition: var(--dq-transition);
        }

        .dq-footer ul li a:hover {
            color: var(--dq-accent);
        }

        .dq-footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 18px;
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 0.8rem;
            color: #6a6d78;
            justify-content: space-between;
            align-items: center;
        }

        .dq-footer-bottom a {
            color: #8a8d99;
        }

        .dq-footer-bottom a:hover {
            color: var(--dq-accent);
        }

        @media (max-width: 768px) {
            .dq-footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .dq-footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
        }

        @media (max-width: 480px) {
            .dq-footer-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== UTILITY ========== */
        .dq-btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 22px;
            border-radius: 24px;
            border: 2px solid var(--dq-accent);
            color: var(--dq-accent);
            font-weight: 600;
            font-size: 0.9rem;
            background: transparent;
            transition: var(--dq-transition);
            white-space: nowrap;
        }

        .dq-btn-outline:hover {
            background: var(--dq-accent);
            color: #fff;
            box-shadow: var(--dq-shadow-md);
        }

        .dq-btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 11px 24px;
            border-radius: 24px;
            background: var(--dq-accent);
            color: #fff;
            font-weight: 600;
            font-size: 0.9rem;
            border: none;
            transition: var(--dq-transition);
            white-space: nowrap;
        }

        .dq-btn-primary:hover {
            background: var(--dq-accent-hover);
            color: #fff;
            box-shadow: var(--dq-shadow-md);
            transform: translateY(-1px);
        }

        .text-accent {
            color: var(--dq-accent);
        }

        .text-warm {
            color: var(--dq-warm);
        }

/* roulang page: category6 */
:root {
            --dq-primary: #0d1b2a;
            --dq-primary-light: #1b2d45;
            --dq-accent: #00b4a0;
            --dq-accent-hover: #009d8b;
            --dq-warm: #f77f00;
            --dq-warm-hover: #e06e00;
            --dq-bg: #f8f9fb;
            --dq-bg-alt: #f0f2f5;
            --dq-surface: #ffffff;
            --dq-text: #1a1a2e;
            --dq-text-secondary: #5a5d6e;
            --dq-text-muted: #8a8d99;
            --dq-border: #e2e5ea;
            --dq-border-light: #eef0f4;
            --dq-radius-sm: 8px;
            --dq-radius: 14px;
            --dq-radius-lg: 20px;
            --dq-radius-xl: 28px;
            --dq-shadow-sm: 0 1px 3px rgba(13, 27, 42, 0.06);
            --dq-shadow: 0 4px 16px rgba(13, 27, 42, 0.08);
            --dq-shadow-md: 0 8px 28px rgba(13, 27, 42, 0.1);
            --dq-shadow-lg: 0 16px 48px rgba(13, 27, 42, 0.12);
            --dq-shadow-xl: 0 24px 64px rgba(13, 27, 42, 0.16);
            --dq-transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --dq-font-heading: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
            --dq-font-body: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
            --dq-nav-height: 68px;
            --dq-container-max: 1200px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--dq-font-body);
            line-height: 1.7;
            color: var(--dq-text);
            background-color: var(--dq-bg);
            overflow-x: hidden;
            min-height: 100vh;
            margin: 0;
            padding: 0;
        }

        a {
            text-decoration: none;
            transition: var(--dq-transition);
            color: inherit;
        }

        a:hover {
            color: var(--dq-accent);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button {
            cursor: pointer;
            font-family: inherit;
            transition: var(--dq-transition);
        }

        ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-family: var(--dq-font-heading);
            font-weight: 700;
            line-height: 1.3;
            color: var(--dq-text);
            margin: 0;
        }

        p {
            margin: 0;
            color: var(--dq-text-secondary);
        }

        .dq-container {
            max-width: var(--dq-container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ========== HEADER & NAV ========== */
        .dq-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--dq-border-light);
            box-shadow: var(--dq-shadow-sm);
            height: var(--dq-nav-height);
            display: flex;
            align-items: center;
            transition: var(--dq-transition);
        }

        .dq-header .dq-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }

        .dq-logo {
            font-family: var(--dq-font-heading);
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--dq-primary);
            display: flex;
            align-items: center;
            gap: 10px;
            white-space: nowrap;
            letter-spacing: -0.02em;
            flex-shrink: 0;
        }

        .dq-logo .logo-icon {
            width: 42px;
            height: 42px;
            border-radius: var(--dq-radius-sm);
            background: linear-gradient(135deg, var(--dq-accent) 0%, #008f7e 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.3rem;
            font-weight: 700;
            flex-shrink: 0;
        }

        .dq-nav-list {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
            margin: 0;
            padding: 0;
        }

        .dq-nav-list li {
            list-style: none;
        }

        .dq-nav-list a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 15px;
            border-radius: 24px;
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--dq-text-secondary);
            white-space: nowrap;
            position: relative;
            transition: var(--dq-transition);
            letter-spacing: 0.01em;
        }

        .dq-nav-list a:hover {
            color: var(--dq-primary);
            background: rgba(0, 180, 160, 0.06);
        }

        .dq-nav-list a.active {
            color: var(--dq-accent);
            background: rgba(0, 180, 160, 0.1);
            font-weight: 600;
        }

        .dq-nav-chip {
            display: inline-block;
            font-size: 0.7rem;
            padding: 3px 9px;
            border-radius: 20px;
            font-weight: 600;
            letter-spacing: 0.03em;
            line-height: 1;
            pointer-events: none;
            white-space: nowrap;
        }

        .chip-live {
            background: #ff4757;
            color: #fff;
            animation: chipPulse 2s ease-in-out infinite;
        }

        .chip-warmup {
            background: #ffa502;
            color: #fff;
        }

        .chip-replay {
            background: #7c8ca0;
            color: #fff;
        }

        @keyframes chipPulse {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.7;
            }
        }

        .dq-nav-cta {
            background: var(--dq-accent) !important;
            color: #fff !important;
            padding: 9px 20px !important;
            border-radius: 24px !important;
            font-weight: 600 !important;
            letter-spacing: 0.02em;
        }

        .dq-nav-cta:hover {
            background: var(--dq-accent-hover) !important;
            color: #fff !important;
            transform: translateY(-1px);
            box-shadow: var(--dq-shadow-md);
        }

        .dq-nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--dq-text);
            padding: 8px;
            cursor: pointer;
            border-radius: var(--dq-radius-sm);
            transition: var(--dq-transition);
        }

        .dq-nav-toggle:hover {
            background: rgba(0, 180, 160, 0.08);
            color: var(--dq-accent);
        }

        /* ========== HERO VIDEO STYLE ========== */
        .dq-hero-video {
            position: relative;
            width: 100%;
            min-height: 580px;
            background: url('/assets/images/backpic/back-2.webp') center center / cover no-repeat;
            display: flex;
            align-items: center;
            justify-content: center;
            overflow: hidden;
        }

        .dq-hero-video::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(13, 27, 42, 0.72) 0%, rgba(13, 27, 42, 0.85) 100%);
            z-index: 1;
        }

        .dq-hero-video-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 800px;
            padding: 0 24px;
        }

        .dq-hero-play-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 80px;
            height: 80px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.92);
            border: 4px solid rgba(255, 255, 255, 0.5);
            color: var(--dq-accent);
            font-size: 2rem;
            cursor: pointer;
            transition: var(--dq-transition);
            margin-bottom: 28px;
            box-shadow: 0 0 40px rgba(0, 180, 160, 0.35);
            animation: playPulse 3s ease-in-out infinite;
        }

        .dq-hero-play-btn:hover {
            transform: scale(1.08);
            background: #fff;
            box-shadow: 0 0 60px rgba(0, 180, 160, 0.5);
            border-color: #fff;
            color: var(--dq-accent-hover);
        }

        @keyframes playPulse {
            0%,
            100% {
                box-shadow: 0 0 40px rgba(0, 180, 160, 0.35);
            }
            50% {
                box-shadow: 0 0 70px rgba(0, 180, 160, 0.6);
            }
        }

        .dq-hero-video-content h1 {
            font-size: 2.8rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: -0.02em;
            line-height: 1.25;
        }

        .dq-hero-video-content .dq-hero-subtitle {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 32px;
            line-height: 1.6;
            max-width: 620px;
            margin-left: auto;
            margin-right: auto;
        }

        .dq-hero-cta-group {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            justify-content: center;
        }

        .dq-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            border-radius: 28px;
            font-weight: 600;
            font-size: 1rem;
            letter-spacing: 0.02em;
            border: none;
            cursor: pointer;
            transition: var(--dq-transition);
            white-space: nowrap;
            font-family: var(--dq-font-body);
        }

        .dq-btn-primary {
            background: var(--dq-accent);
            color: #fff;
            box-shadow: var(--dq-shadow-md);
        }

        .dq-btn-primary:hover {
            background: var(--dq-accent-hover);
            transform: translateY(-2px);
            box-shadow: var(--dq-shadow-lg);
            color: #fff;
        }

        .dq-btn-outline {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.55);
        }

        .dq-btn-outline:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: #fff;
            color: #fff;
            transform: translateY(-2px);
        }

        .dq-btn-warm {
            background: var(--dq-warm);
            color: #fff;
            box-shadow: var(--dq-shadow-md);
        }

        .dq-btn-warm:hover {
            background: var(--dq-warm-hover);
            transform: translateY(-2px);
            box-shadow: var(--dq-shadow-lg);
            color: #fff;
        }

        /* ========== SECTION COMMON ========== */
        .dq-section {
            padding: 72px 0;
        }

        .dq-section-alt {
            background: var(--dq-surface);
        }

        .dq-section-dark {
            background: var(--dq-primary);
            color: #fff;
        }

        .dq-section-dark h2,
        .dq-section-dark h3,
        .dq-section-dark .dq-section-title {
            color: #fff;
        }

        .dq-section-dark p {
            color: rgba(255, 255, 255, 0.8);
        }

        .dq-section-title {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 10px;
            letter-spacing: -0.01em;
        }

        .dq-section-subtitle {
            font-size: 1.05rem;
            color: var(--dq-text-muted);
            margin-bottom: 40px;
            max-width: 600px;
        }

        .dq-section-header {
            text-align: center;
            margin-bottom: 48px;
        }

        .dq-section-header .dq-section-subtitle {
            margin-left: auto;
            margin-right: auto;
        }

        /* ========== METRICS DASHBOARD ========== */
        .dq-metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .dq-metric-card {
            background: var(--dq-surface);
            border-radius: var(--dq-radius-lg);
            padding: 28px 24px;
            text-align: center;
            box-shadow: var(--dq-shadow);
            transition: var(--dq-transition);
            border: 1px solid var(--dq-border-light);
        }

        .dq-metric-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--dq-shadow-lg);
        }

        .dq-metric-icon {
            font-size: 2.2rem;
            color: var(--dq-accent);
            margin-bottom: 12px;
        }

        .dq-metric-value {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--dq-primary);
            font-family: var(--dq-font-heading);
            letter-spacing: -0.02em;
            line-height: 1;
            margin-bottom: 6px;
        }

        .dq-metric-label {
            font-size: 0.95rem;
            color: var(--dq-text-secondary);
            font-weight: 500;
        }

        .dq-metric-trend {
            display: inline-block;
            font-size: 0.82rem;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 12px;
            margin-top: 8px;
        }

        .dq-metric-trend.up {
            background: #e6f9f6;
            color: #00a88f;
        }

        .dq-metric-trend.stable {
            background: #fef3e0;
            color: #e67e00;
        }

        /* ========== SERVICE MATRIX ========== */
        .dq-matrix-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .dq-matrix-card {
            background: var(--dq-surface);
            border-radius: var(--dq-radius-lg);
            padding: 32px 28px;
            box-shadow: var(--dq-shadow);
            border: 1px solid var(--dq-border-light);
            transition: var(--dq-transition);
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .dq-matrix-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--dq-shadow-lg);
            border-color: var(--dq-accent);
        }

        .dq-matrix-card .dq-matrix-icon {
            width: 56px;
            height: 56px;
            border-radius: var(--dq-radius);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            flex-shrink: 0;
        }

        .dq-matrix-icon.news {
            background: #e6f9f6;
            color: #00a88f;
        }
        .dq-matrix-icon.transfer {
            background: #fef3e0;
            color: #e67e00;
        }
        .dq-matrix-icon.analysis {
            background: #e8f0fe;
            color: #3b6dc0;
        }
        .dq-matrix-icon.interview {
            background: #fce4ec;
            color: #c0395b;
        }
        .dq-matrix-icon.video {
            background: #e8f5e9;
            color: #2e7d32;
        }
        .dq-matrix-icon.column {
            background: #f3e5f5;
            color: #7b1fa2;
        }

        .dq-matrix-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
        }

        .dq-matrix-card p {
            font-size: 0.93rem;
            color: var(--dq-text-secondary);
            line-height: 1.6;
            flex: 1;
        }

        .dq-matrix-tag {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--dq-accent);
            cursor: pointer;
            transition: var(--dq-transition);
        }

        .dq-matrix-tag:hover {
            color: var(--dq-accent-hover);
            gap: 8px;
        }

        /* ========== COMPARISON TABLE ========== */
        .dq-compare-table-wrap {
            overflow-x: auto;
            border-radius: var(--dq-radius-lg);
            box-shadow: var(--dq-shadow-md);
            background: var(--dq-surface);
        }

        .dq-compare-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 700px;
        }

        .dq-compare-table thead th {
            background: var(--dq-primary);
            color: #fff;
            padding: 16px 20px;
            font-weight: 600;
            font-size: 0.95rem;
            text-align: center;
            white-space: nowrap;
        }

        .dq-compare-table thead th:first-child {
            text-align: left;
            border-radius: var(--dq-radius-lg) 0 0 0;
        }

        .dq-compare-table thead th:last-child {
            border-radius: 0 var(--dq-radius-lg) 0 0;
        }

        .dq-compare-table tbody td {
            padding: 14px 20px;
            text-align: center;
            border-bottom: 1px solid var(--dq-border-light);
            font-size: 0.93rem;
            color: var(--dq-text-secondary);
        }

        .dq-compare-table tbody td:first-child {
            text-align: left;
            font-weight: 600;
            color: var(--dq-text);
        }

        .dq-compare-table tbody tr:last-child td {
            border-bottom: none;
        }

        .dq-compare-table tbody tr:hover {
            background: rgba(0, 180, 160, 0.03);
        }

        .dq-compare-check {
            color: #00a88f;
            font-size: 1.2rem;
            font-weight: 700;
        }

        .dq-compare-dash {
            color: #c0c4cc;
        }

        .dq-compare-highlight {
            background: rgba(0, 180, 160, 0.06);
            border-radius: 20px;
            padding: 4px 14px;
            font-weight: 600;
            color: var(--dq-accent);
            display: inline-block;
            font-size: 0.85rem;
        }

        /* ========== NEWS CARDS ========== */
        .dq-news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .dq-news-card {
            background: var(--dq-surface);
            border-radius: var(--dq-radius-lg);
            overflow: hidden;
            box-shadow: var(--dq-shadow);
            transition: var(--dq-transition);
            border: 1px solid var(--dq-border-light);
            display: flex;
            flex-direction: column;
        }

        .dq-news-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--dq-shadow-lg);
        }

        .dq-news-card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            display: block;
        }

        .dq-news-card-body {
            padding: 20px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .dq-news-card-date {
            font-size: 0.82rem;
            color: var(--dq-text-muted);
            font-weight: 500;
        }

        .dq-news-card-body h4 {
            font-size: 1.08rem;
            font-weight: 700;
            line-height: 1.4;
        }

        .dq-news-card-body p {
            font-size: 0.9rem;
            color: var(--dq-text-secondary);
            line-height: 1.6;
            flex: 1;
        }

        .dq-news-card-link {
            font-weight: 600;
            color: var(--dq-accent);
            font-size: 0.9rem;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: var(--dq-transition);
        }

        .dq-news-card-link:hover {
            color: var(--dq-accent-hover);
            gap: 10px;
        }

        .dq-news-card-tag {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 14px;
            letter-spacing: 0.03em;
        }

        .dq-tag-hot {
            background: #ff4757;
            color: #fff;
        }
        .dq-tag-exclusive {
            background: #ffa502;
            color: #fff;
        }
        .dq-tag-depth {
            background: #3b6dc0;
            color: #fff;
        }

        /* ========== HIGHLIGHT BANNER ========== */
        .dq-highlight-banner {
            background: linear-gradient(135deg, var(--dq-primary) 0%, var(--dq-primary-light) 60%, #1a3a55 100%);
            border-radius: var(--dq-radius-xl);
            padding: 48px 40px;
            display: flex;
            align-items: center;
            gap: 40px;
            overflow: hidden;
            position: relative;
        }

        .dq-highlight-banner::after {
            content: '';
            position: absolute;
            right: -40px;
            top: -40px;
            width: 240px;
            height: 240px;
            background: rgba(0, 180, 160, 0.15);
            border-radius: 50%;
            pointer-events: none;
        }

        .dq-highlight-text {
            flex: 1;
            position: relative;
            z-index: 1;
        }

        .dq-highlight-text h2 {
            color: #fff;
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .dq-highlight-text p {
            color: rgba(255, 255, 255, 0.8);
            font-size: 1rem;
            line-height: 1.7;
            margin-bottom: 20px;
        }

        /* ========== FAQ ========== */
        .dq-faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .dq-faq-item {
            background: var(--dq-surface);
            border-radius: var(--dq-radius);
            border: 1px solid var(--dq-border-light);
            overflow: hidden;
            transition: var(--dq-transition);
            box-shadow: var(--dq-shadow-sm);
        }

        .dq-faq-item:hover {
            box-shadow: var(--dq-shadow);
        }

        .dq-faq-question {
            width: 100%;
            background: none;
            border: none;
            padding: 18px 22px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--dq-text);
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            text-align: left;
            font-family: var(--dq-font-body);
            transition: var(--dq-transition);
            gap: 12px;
        }

        .dq-faq-question:hover {
            color: var(--dq-accent);
            background: rgba(0, 180, 160, 0.03);
        }

        .dq-faq-question .faq-icon {
            flex-shrink: 0;
            transition: var(--dq-transition);
            color: var(--dq-accent);
            font-size: 0.9rem;
        }

        .dq-faq-item.open .dq-faq-question .faq-icon {
            transform: rotate(180deg);
        }

        .dq-faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 22px;
        }

        .dq-faq-item.open .dq-faq-answer {
            max-height: 300px;
            padding: 0 22px 18px;
        }

        .dq-faq-answer p {
            font-size: 0.93rem;
            color: var(--dq-text-secondary);
            line-height: 1.7;
        }

        /* ========== CTA FORM ========== */
        .dq-cta-form-wrap {
            background: var(--dq-surface);
            border-radius: var(--dq-radius-xl);
            padding: 48px 40px;
            box-shadow: var(--dq-shadow-lg);
            border: 1px solid var(--dq-border-light);
            max-width: 700px;
            margin: 0 auto;
        }

        .dq-cta-form-wrap h2 {
            font-size: 1.6rem;
            font-weight: 700;
            margin-bottom: 8px;
            text-align: center;
        }

        .dq-cta-form-wrap .dq-cta-subtitle {
            text-align: center;
            color: var(--dq-text-muted);
            margin-bottom: 28px;
            font-size: 0.95rem;
        }

        .dq-form-group {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .dq-form-input {
            flex: 1;
            min-width: 200px;
            padding: 14px 18px;
            border-radius: 28px;
            border: 2px solid var(--dq-border);
            font-size: 0.95rem;
            font-family: var(--dq-font-body);
            transition: var(--dq-transition);
            background: var(--dq-bg);
            color: var(--dq-text);
            outline: none;
        }

        .dq-form-input:focus {
            border-color: var(--dq-accent);
            box-shadow: 0 0 0 4px rgba(0, 180, 160, 0.1);
            background: #fff;
        }

        .dq-form-submit {
            padding: 14px 32px;
            border-radius: 28px;
            background: var(--dq-accent);
            color: #fff;
            border: none;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: var(--dq-transition);
            white-space: nowrap;
            font-family: var(--dq-font-body);
            letter-spacing: 0.02em;
        }

        .dq-form-submit:hover {
            background: var(--dq-accent-hover);
            transform: translateY(-2px);
            box-shadow: var(--dq-shadow-md);
        }

        /* ========== FOOTER ========== */
        .dq-footer {
            background: var(--dq-primary);
            color: rgba(255, 255, 255, 0.75);
            padding: 56px 0 28px;
            font-size: 0.9rem;
        }

        .dq-footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 36px;
        }

        .dq-footer-brand {
            font-family: var(--dq-font-heading);
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
        }

        .dq-footer-desc {
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.6;
        }

        .dq-footer h5 {
            color: #fff;
            font-size: 0.95rem;
            font-weight: 600;
            margin-bottom: 14px;
        }

        .dq-footer ul li {
            margin-bottom: 8px;
        }

        .dq-footer ul li a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 0.88rem;
            transition: var(--dq-transition);
        }

        .dq-footer ul li a:hover {
            color: var(--dq-accent);
        }

        .dq-footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.45);
            justify-content: center;
            text-align: center;
        }

        .dq-footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
        }

        .dq-footer-bottom a:hover {
            color: var(--dq-accent);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .dq-metrics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .dq-matrix-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .dq-news-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .dq-footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .dq-hero-video-content h1 {
                font-size: 2.2rem;
            }
            .dq-hero-video {
                min-height: 460px;
            }
            .dq-highlight-banner {
                flex-direction: column;
                text-align: center;
                padding: 36px 24px;
            }
            .dq-section {
                padding: 52px 0;
            }
        }

        @media (max-width: 768px) {
            .dq-nav-list {
                display: none;
                position: absolute;
                top: var(--dq-nav-height);
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                padding: 16px;
                gap: 4px;
                box-shadow: var(--dq-shadow-lg);
                border-bottom: 1px solid var(--dq-border-light);
                z-index: 1049;
            }
            .dq-nav-list.show {
                display: flex;
            }
            .dq-nav-list a {
                width: 100%;
                justify-content: flex-start;
                padding: 12px 16px;
                border-radius: var(--dq-radius-sm);
            }
            .dq-nav-toggle {
                display: block;
            }
            .dq-metrics-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .dq-metric-value {
                font-size: 2rem;
            }
            .dq-matrix-grid {
                grid-template-columns: 1fr;
            }
            .dq-news-grid {
                grid-template-columns: 1fr;
            }
            .dq-footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .dq-hero-video-content h1 {
                font-size: 1.7rem;
            }
            .dq-hero-video {
                min-height: 400px;
            }
            .dq-hero-play-btn {
                width: 60px;
                height: 60px;
                font-size: 1.5rem;
            }
            .dq-section {
                padding: 40px 0;
            }
            .dq-section-title {
                font-size: 1.5rem;
            }
            .dq-cta-form-wrap {
                padding: 32px 20px;
            }
            .dq-form-group {
                flex-direction: column;
            }
            .dq-highlight-banner {
                padding: 28px 20px;
            }
            .dq-highlight-text h2 {
                font-size: 1.4rem;
            }
            .dq-compare-table-wrap {
                border-radius: var(--dq-radius);
            }
            .dq-container {
                padding: 0 16px;
            }
        }

        @media (max-width: 520px) {
            .dq-metrics-grid {
                grid-template-columns: 1fr;
            }
            .dq-hero-video-content h1 {
                font-size: 1.4rem;
            }
            .dq-hero-video {
                min-height: 340px;
            }
            .dq-hero-subtitle {
                font-size: 0.95rem;
            }
            .dq-hero-cta-group {
                flex-direction: column;
                align-items: center;
            }
            .dq-btn {
                width: 100%;
                justify-content: center;
            }
            .dq-footer-bottom {
                flex-direction: column;
                gap: 8px;
            }
            .dq-hero-play-btn {
                width: 50px;
                height: 50px;
                font-size: 1.2rem;
                margin-bottom: 18px;
            }
        }